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"category_slug": "philosophie"}}, {"model": "main.tutorialcategory", "pk": 5, "fields": {"tutorial_category": "Software", "category_summary": "Programme | Codeschnipsel | Instruktionen", "category_slug": "software"}}, {"model": "main.tutorialcategory", "pk": 6, "fields": {"tutorial_category": "Projekte", "category_summary": "Structure your live", "category_slug": "projects"}}, {"model": "main.tutorialcategory", "pk": 7, "fields": {"tutorial_category": "Elektronik", "category_summary": "Bauteile Projekte Theoretisches", "category_slug": "elector"}}, {"model": "main.tutorialseries", "pk": 1, "fields": {"tutorial_series": "Ger\u00e4teliste", "tutorial_category": 1, "series_summary": "Wissenswertes \u00fcber die Laborger\u00e4te"}}, {"model": "main.tutorialseries", "pk": 2, "fields": {"tutorial_series": "Rentsch", "tutorial_category": 4, "series_summary": "Heidegger und Wittgenstein"}}, {"model": "main.tutorialseries", "pk": 3, "fields": {"tutorial_series": "Kinetik", "tutorial_category": 2, "series_summary": "Teil der physikalischen Chemie"}}, {"model": "main.tutorialseries", "pk": 4, "fields": {"tutorial_series": "Freenas", "tutorial_category": 5, "series_summary": "Docker | Rancher | Freenas | Cookbook | Sourcen"}}, {"model": "main.tutorialseries", "pk": 5, "fields": {"tutorial_series": "Django", "tutorial_category": 5, "series_summary": "Hints etc fpr Django"}}, {"model": "main.tutorialseries", "pk": 7, "fields": {"tutorial_series": "Update", "tutorial_category": 6, "series_summary": "Werde Herr ueber dass Vorhandene"}}, {"model": "main.tutorialseries", "pk": 8, "fields": {"tutorial_series": "Biochemie", "tutorial_category": 2, "series_summary": "alles f\u00fcr die private Biochemie"}}, {"model": "main.tutorialseries", "pk": 9, "fields": {"tutorial_series": "Bauteile", "tutorial_category": 7, "series_summary": "vorhandenes und wissenwertes"}}, {"model": "main.tutorialseries", "pk": 10, "fields": {"tutorial_series": "LuminolFlowCell", "tutorial_category": 2, "series_summary": "Entwicklung einer FlowCell auf Luminol basierte Chemilumineszenz"}}, {"model": "main.tutorialseries", "pk": 11, "fields": {"tutorial_series": "Bergung", "tutorial_category": 6, "series_summary": "Vorhandenes retten"}}, {"model": "main.tutorialseries", "pk": 12, "fields": {"tutorial_series": "Fluoreszenz", "tutorial_category": 2, "series_summary": "EXperimente zur Fluoreszenz"}}, {"model": "main.tutorial", "pk": 4, "fields": {"tutorial_title": "Oszilloskop", "tutorial_content": "

Das Oszilloskop Owon XDS3202 200Mhz 1GSa/s

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Manual

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", "tutorial_published": "2019-08-30T14:40:35Z", "tutorial_series": 1, "tutorial_slug": "ozzi"}}, {"model": "main.tutorial", "pk": 5, "fields": {"tutorial_title": "Acht Thesen zu Heidegger und Wittgenstein", "tutorial_content": "
    \r\n
  1. Heidegger und Wittgenstein destruieren eine Vorhandenheitsontologie bzw eine Vorhandenheitssemantik
  2. \r\n
  3. Grundlage dieser Destruktion ist eine Radikalisierung der Sinnkritk:\r\n\r\n
  4. \r\n
  5. Kritik der klassischen Bewußtseinphilosophie, eines Dualismus zwischen privater Innenwelt und öffentlicher Außenwelt, sowie des subjektzentierten Denkens überhaupt
  6. \r\n
  7. Lebensweltliche Alltagspaxis - pragmatische Analyse der Sinnkonstitution statt klassische Ontologie, Bewußtseins- und Transzendentalphilosophie
  8. \r\n
  9. Kritik des traditionellen Wahrheitsbegiffs | Adäquationstheorie | Abblidtheorie der Bedeutung durch\r\n\r\n
  10. \r\n
  11. Tiefenhermeneutik: Wichtige Aspecke der Dinge sind durch ihre Einfachheit und Alltäglichkeit verborgen.
  12. \r\n
  13. Es geht beiden um die Bedingung der Möglichkeit der Lebensphänome, nicht um deren theoretisch Erklärung oder deren empirisch-kontingente Verfassung. Insofern treten Fundamentalontologie / existentiale Anmalytik und Sprachkritk / Philosophische Grammatik das transzendentalphilosophische ERbe an - freilich ohne bewußtseinphilosophische Prämissen
  14. \r\n
  15. Negative Metaphysik: Das in der Alltäglichkeit Verborgenen und der des Zeigens und Sich-Ziegens des bgerifflich-refelxiv Unsagbaren verbinden Heidegger
  16. \r\n
", "tutorial_published": "2019-09-03T17:47:02Z", "tutorial_series": 2, "tutorial_slug": "achtthesen"}}, {"model": "main.tutorial", "pk": 6, "fields": {"tutorial_title": "Luminol Oszillation Frequenz", "tutorial_content": "

Eregebnis einfacher Experimente

\r\n

 

\r\n
Frequenz der Oszillation
\r\n

Zur Analyse des zeitlichen Auftretens der Oszillation werden die Daten, die Octave->hplc liefert mit Octave->belu1(arr,tresh,skip) analysiert. Die Daten arr werden ab skip berücksichtigt, wenn sie über dem Wert tresh liegen.

\r\n

Es wurden drei Versuche (0.3|0.3|0.6|03) bei 40grad Vorwärmtemperatur ausgewertet

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\"exp191\"\"\"
\"\"\r\n

\"\"

\r\n

Abstand der Peaks in Sekunden

\r\n
", "tutorial_published": "2019-09-17T18:27:28Z", "tutorial_series": 3, "tutorial_slug": "LumOszFre"}}, {"model": "main.tutorial", "pk": 7, "fields": {"tutorial_title": "Rancher", "tutorial_content": "

First Config

\r\n

$ sudo ros config set rancher.network.interfaces.eth0.address 192.168.2.75/24
$ sudo ros config set rancher.network.interfaces.eth0.gateway 192.168.2.1
$ sudo ros config set rancher.network.interfaces.eth0.mtu 1500
$ sudo ros config set rancher.network.interfaces.eth0.dhcp false
$ sudo ros config set rancher.network.dns.nameservers \"['8.8.8.8','4.2.2.2']\"
test $ sudo ros config get rancher.network.dns.nameservers

\r\n

NFS-Mount

\r\n

Zunächst bin dem diesem Rezept gefolgt. Nach dem Reboot war dem django container der nfs - mount aber nicht zugänglich. Allerdings werden wohl die Voraussetzungen für ein nfs-handlung für Rancher geschaffen.

\r\n\r\n

der Ordner kann dann als MEDIA_ROOT  ='./nfs/media-files/media/' verwendet werden

", "tutorial_published": "2019-09-20T10:57:01Z", "tutorial_series": 4, "tutorial_slug": "ranncher"}}, {"model": "main.tutorial", "pk": 8, "fields": {"tutorial_title": "Linux", "tutorial_content": "

Better 2 Know

\r\n

Configfiles
    .cshrc                    für die user-shell cshnan
    /etc/ssh/ssh_config        ssh configuration
    /etc/rc.conf            ssh anschalten

\r\n

     chown -R benutzer:gruppe verzeichnis
    service sshd restart
    finger                                    zeigt infos über Benutzer
    history                                    liste der letzten Befehle
    who
    pwd                                        aktuelle dir
    find . -name wasichsuche                . sucht unter dem aktuellen Verzeichnis
    find . -name \"SUCH-KRITERIUM\" -exec rm -rf {} \\;  sucht und löscht ohne Rückfrage auch Ordner

\r\n

 

", "tutorial_published": "2019-09-20T11:21:25Z", "tutorial_series": 4, "tutorial_slug": "linux"}}, {"model": "main.tutorial", "pk": 9, "fields": {"tutorial_title": "import_export", "tutorial_content": "

Import Export in Django

\r\n
    \r\n
  1. pip django-import-export
  2. \r\n
  3. settings.py 'import-export'
  4. \r\n
  5. \r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
    from django.contrib import admin
     from import_export.admin import ImportExportModelAdmin
     from .models import *
     # Register your models here.
      
     # admin.site.register(item)
     @admin.register(Desktops, Laptops, Mobiles)
     class ViewAdmin(ImportExportModelAdmin):
     exclude = ('id', )
    \r\n
  6. \r\n
", "tutorial_published": "2019-09-24T18:30:00Z", "tutorial_series": 5, "tutorial_slug": "impexp"}}, {"model": "main.tutorial", "pk": 10, "fields": {"tutorial_title": "Keller", "tutorial_content": "

Die Vermessung des Kellers

\r\n

\"\"

\r\n\r\n

 

", "tutorial_published": "2019-09-26T21:29:01Z", "tutorial_series": 7, "tutorial_slug": "keller"}}, {"model": "main.tutorial", "pk": 11, "fields": {"tutorial_title": "Ger\u00e4te", "tutorial_content": "", "tutorial_published": "2019-09-26T21:36:30Z", "tutorial_series": 7, "tutorial_slug": "geraete"}}, {"model": "main.tutorial", "pk": 12, "fields": {"tutorial_title": "Server Farm", "tutorial_content": "\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Server 2IP VM    
 192.168.2.62:80Dashboard     
 192.168.2.61:80Pi-holeubuntu18jens|jens123   
 192.168.2.61:3000Redmineubuntu18/Docker    
 192.168.2.71:9000Portainerjfsdockeradmin|2Drittel%   
 192.168.2.71:1882Mqtt     
 192.168.2.71:85Owncloud     
 192.168.2.71:3308jfsmysql jens|jens123   
Server 1       
 192.168.2.185:80Dashboard     
 192.168.2.72:9000Portainerjfsfreedock    
 192.168.2.72:22ssh client rancher|docker   
 192.168.2.72:3000Grafana admin|2/3   
 192.168.2.72:1880Mynodered     
 192.168.2.72:8000Django     
 192.168.2.199:9000Portainerubserverjens|jens123   
 192.168.2.199:1880labnode     
Zyxel GS 1900192.168.2.3  admin|1234   
\r\n

 

", "tutorial_published": "2019-09-30T20:14:42Z", "tutorial_series": 4, "tutorial_slug": "server-farm"}}, {"model": "main.tutorial", "pk": 13, "fields": {"tutorial_title": "Rheodyne Ventil USB-Server-Client", "tutorial_content": "

Rheodynventilkontrolle über Raspberry USB-Server

\r\n

Kotrolle über den Spritzenmotor und das Rheodyneventil erfolgt über einen Arduino [RheodyneVentil.ino]. Der USB-Port des Arduino wird über einen Raspberry USB-Server [192.168.2.180] im WLAN pipanet zum Node-RED gebridged. Node-RED läuft auf einem Dockercontainer [192.168.2.61]. Thermoskanne wird über Mqtt gesteuert.

\r\n
    \r\n
  1. Anschalten des Gerätes
  2. \r\n
  3. Einlocken in 192.168.2.180:22 jens|jens123
  4. \r\n
  5. sudo ./usbip4me.sh
  6. \r\n
  7. restart node-RED über protainer 192.168.2.161:9000
  8. \r\n
\r\n

Docker

\r\n
sudo docker run --privileged -d -p 1880:1880 -v /dev/ttyUSB0:/dev/ttyUSB0  \r\n-v node-red-data:/data --name labnode nodered/node-red-docker
\r\n

./usbip4me.sh

\r\n
#!/bin/sh \r\nsudo /usr/lib/linux-tools/$(uname -r)/usbip detach -p 00\r\nsudo rmdir /dev/ttyUSB0\r\nsudo /usr/lib/linux-tools/$(uname -r)/usbip attach -r 192.168.2.180 -b 1-1.4\r\nsleep 1\r\nsudo chmod 777 /dev/ttyUSB0
\r\n

ubuntu USB-Client

\r\n
sudo apt-get install linux-tools-generic ## (server)\r\n\r\nsudo modprobe vhci-hcd ##(client)\r\nsudo modprobe ch341\r\n\t\r\nsudo /usr/lib/linux-tools/$(uname -r)/usbip list -r <Server IP address>\r\nsudo /usr/lib/linux-tools/$(uname -r)/usbip attach -r 192.168.2.156 -b 1-1.4\r\n\t\t\t\t\t\tport\r\n\t\t\t\t\t\tdetach -p 00\r\n\t\t\t\t\t\t\r\n\tdiverses\r\n\t\tlsusb\r\n\t\tdmesg | grep tty\r\n\tsuso chmod 777 /dev/ttyUSB0
\r\n

Raspberry USB-Server 192.168.2.180

\r\n
sudo apt-get update\r\nsudo apt-get install usbip\r\nsudo modprobe usbip-host\r\nsudo usbipd -d \r\nsudo usbip list -l ##-> ergibt den Port\r\nsudo usbip bind -b 1-1.4 ##(Port) Anmelden des usb Gerätes\r\nwenn soweit ok dann in in //etc/rc.local“ oberhalb von „exit 0“ einfügen\r\nsudo modprobe usbip-host\r\nsudo usbipd -D\r\nsudo usbip unbind -b 1-1.4 ## trennt das gerät von der ip und macht es lokal verfügbar
\r\n

 

\r\n

RheodyneVentil.ino

\r\n
int stepCounter;\r\nint steps = 10000;\r\nint delayit = 200; \r\nint stepload = 3800;\r\nint pinEnable = 8;\r\nint pinStep = 2;\r\nint pinDir =  5;\r\nint state = 0;    // ventil=0 laden == 1;\r\nint CoolEn = 3;\r\nint spindir = 13;\r\nint strechts = 10;\r\nint command = 0;\r\n\r\n\r\nint pinStepY = 3;    // SpritzenMotor\r\nint pinDirY = 6;\r\nint delayit2 =200;\r\nint volume = 0;\r\n\r\nint pinStepZ = 4;    // Pumpenmotor\r\nint pinDirZ = 7;\r\nint delayitZ =2000;\r\n \r\nvoid setup()\r\n{\r\n  pinMode(A3,OUTPUT);     // LED On =  inject\r\n  pinMode(spindir,INPUT); // Schalter Ventil\r\n\r\n  Serial.begin(115200);\r\n  pinMode(strechts,INPUT); // Home = inject\r\n \r\n  pinMode(pinEnable, OUTPUT); // Enable\r\n  pinMode(pinStep, OUTPUT); // Step\r\n  pinMode(pinDir, OUTPUT); // Richtung\r\n  digitalWrite(pinEnable,LOW);\r\n  ventil();\r\n\r\n  // Spritzen Motor\r\n  pinMode(pinStepY, OUTPUT); // Step\r\n  pinMode(pinDirY, OUTPUT); // Richtung\r\n  pinMode(9,INPUT);\r\n  spmotor_home();\r\n\r\n   pinMode(pinStepZ, OUTPUT); // Step\r\n  pinMode(pinDirZ, OUTPUT); // Richtung\r\n}\r\n\r\n\r\nvoid loop()\r\n{\r\n  while (Serial.available()>0){\r\n    Serial.println(\"1)laden 2)ventil 3)sp_home 4)sp_leer 5)vol? 6)doit\");\r\n     command = Serial.parseInt();\r\n     if (Serial.read() == '\\r') {\r\n        Serial.println(command);\r\n        switch (command) {\r\n          case 1 : laden();\r\n          break;\r\n          case 2 : ventil();\r\n          break;\r\n          case 3 : spmotor_home();\r\n          break;\r\n          case 4 : spmotor_leer();\r\n          break;\r\n          case 5 : Serial.println(volume);\r\n          break;\r\n          case 6 : do_it();\r\n          break;\r\n          case 7 : pumpe();\r\n          break;\r\n          default:   \r\n            if (command < 0){\r\n              command =command*-1;\r\n              spmotor_zurueck(command);\r\n              //Serial.println(command);\r\n            } else {\r\n              spmotor_vor(command);\r\n              //Serial.println(command);\r\n            }\r\n        } \r\n       \r\n     }\r\n  }\r\n  if (digitalRead(spindir) == LOW) {\r\n    Serial.println(\"Low\");\r\n    delay(100);\r\n    if (state == 1){\r\n      ventil();\r\n    } else {\r\n      laden();\r\n    }    \r\n  }\r\n  \r\n}\r\nint pumpe() {\r\ndigitalWrite(pinDirZ,HIGH); // im Uhrzeigersinn \r\n    for(int d=0;d<50000;d++)\r\n    {\r\n      digitalWrite(pinStepZ,HIGH);\r\n      delayMicroseconds(delayitZ);\r\n      digitalWrite(pinStepZ,LOW);\r\n      delayMicroseconds(delayitZ);   \r\n    }  \r\n  \r\n}\r\n//////////// Programmierte Injektion\r\nint do_it(){\r\n  int anz = 10;\r\n  unsigned long det1 = 40;//40;\r\n  unsigned long det2 = 30;//30;\r\n  int q;\r\n  unsigned long det;\r\n  laden();\r\n  delay(500);\r\n  spmotor_vor(60);\r\n  delay(1000);\r\n  for (q=1;q<=anz;q++){ \r\n    ventil();\r\n    infoline(q,anz);\r\n    det = det1*1000;\r\n    delay(det);\r\n    laden();    \r\n    delay(500);\r\n    spmotor_vor(30);\r\n    det = det2*1000;\r\n    delay(det);\r\n    //Serial.println(q);\r\n  }\r\n  Serial.println(\"Finished !\");\r\n}\r\nint infoline(int i,int q){\r\n  Serial.print(\"Volume \");\r\n  Serial.print(volume);\r\n  Serial.print(\" Inject \");\r\n  Serial.print(i);\r\n  Serial.print(\"/\");\r\n  Serial.println(q);\r\n  \r\n}\r\n//////////// Spritzenmotorint\r\nint spmotor_home(){\r\n   volume = 360;\r\n   Serial.println(volume);\r\n    digitalWrite(pinDirY,HIGH); // im Uhrzeigersinn \r\n    while( digitalRead(9)== LOW)\r\n    {\r\n      digitalWrite(pinStepY,HIGH);\r\n      delayMicroseconds(delayit2);\r\n      digitalWrite(pinStepY,LOW);\r\n      delayMicroseconds(delayit2);   \r\n    }  \r\n}\r\nint spmotor_leer(){\r\n   spmotor_vor(volume);\r\n}\r\n\r\nint spmotor_zurueck(int x){\r\n  int q =0;\r\n  int p = 0;\r\n  for (q=0;q<=x;q++){\r\n    if (digitalRead(9) == LOW){    \r\n      digitalWrite(pinDirY,HIGH); // im Uhrzeigersinn   \r\n      for(p = 0; p < 500; p++)\r\n      {\r\n        digitalWrite(pinStepY,HIGH);\r\n        delayMicroseconds(delayit2);\r\n        digitalWrite(pinStepY,LOW);\r\n        delayMicroseconds(delayit2);   \r\n      }\r\n      volume++;\r\n      Serial.println(volume);\r\n    }\r\n  }\r\n}\r\n\r\nint spmotor_vor(int x){\r\n  int q;\r\n  int p;\r\n  digitalWrite(pinDirY,LOW); // im Uhrzeigersinn \r\n  //if (volume > 0){\r\n   for (q=0;q<=x;q++){\r\n    for(p = 0; p < 500; p++)\r\n      {\r\n      digitalWrite(pinStepY,HIGH);\r\n      delayMicroseconds(delayit2);\r\n      digitalWrite(pinStepY,LOW);\r\n      delayMicroseconds(delayit2);   \r\n      }\r\n      volume--;\r\n      //Serial.println(volume);\r\n      if (volume <= 0){\r\n        break;\r\n      }\r\n    }\r\n  //} \r\n}\r\n//////////// Ventil\r\nint laden(){\r\n  if (state == 0 ) {\r\n    state = 1;\r\n    digitalWrite(A3,LOW);\r\n    digitalWrite(pinDir,HIGH); // im Uhrzeigersinn \r\n    for(stepCounter = 0; stepCounter < stepload; stepCounter++)\r\n    {\r\n      digitalWrite(pinStep,HIGH);\r\n      delayMicroseconds(delayit);\r\n      digitalWrite(pinStep,LOW);\r\n      delayMicroseconds(delayit);   \r\n    }\r\n  }\r\n}\r\n\r\nint ventil(){\r\n  state = 0;\r\n  digitalWrite(A3,HIGH);\r\n  digitalWrite(pinDir,LOW); // im Uhrzeigersinn \r\n  for(stepCounter = 0; stepCounter < steps; stepCounter++)\r\n  {\r\n    if (!checkErechts()){\r\n      digitalWrite(pinStep,HIGH);\r\n      delayMicroseconds(delayit);\r\n      digitalWrite(pinStep,LOW);\r\n      delayMicroseconds(delayit);\r\n    } \r\n  }\r\n}\r\n\r\nint checkErechts(){\r\n  return digitalRead(strechts);\r\n}
\r\n

Thermoskanne_mqtt.ino

\r\n
#include <SPI.h>\r\n#include <Ethernet.h>\r\n#include <PubSubClient.h>\r\n//#include <SHT1x.h>\r\n#include <Wire.h>  // Only needed for Arduino 1.6.5 and earlier\r\n#include <DS1631.h>\r\n#include <AccelStepper.h>\r\nDS1631 Temp1(0);  // ini\r\n \r\n// Update these with values suitable for your network.\r\nbyte mac[]    = {  0x90, 0xA2, 0xDA, 0x00, 0xDA, 0x9C };\r\nIPAddress ip(192, 168,2 , 241);\r\nIPAddress server(192, 168, 2, 71);\r\n\r\n//Motor\r\n// The X Stepper pins\r\n#define STEPPER1_DIR_PIN 7\r\n#define STEPPER1_STEP_PIN 6\r\nAccelStepper stepper1(AccelStepper::FULL2WIRE,STEPPER1_STEP_PIN, STEPPER1_DIR_PIN);\r\nint motorOn = 1;\r\nint motorSpeed = 50;\r\nint motorMaxSpeed = 1000;\r\n//Relais\r\n//Relaissatz + Peltiersteuerung\r\nint relaispin = 3;\r\nboolean relais = false;  // true = heizen false = kühlen\r\nboolean aktrelais = false;\r\nint powerpin = 2;\r\nint power = 1;          // Vorseinstellung für die Power\r\nint aktpower=0;  \r\n//Thermistor zum Schutz\r\nint t1apin = 0;\r\nint notfall = 80;     // maximale Temperatur des Systems\r\nint t1 =0;   \r\n// Temperaturregulation zunächst größer 0 ;\r\nint targetTemp = 0;     // Automatik ist aus\r\n\r\nunsigned long pubTime;\r\n// Data\r\nchar buffer[10];\r\nString line0;\r\n\r\nEthernetClient ethClient;\r\nPubSubClient mqttClient(ethClient);\r\n\r\n void callback(char* topic, byte* payload, unsigned int length) {\r\n  Serial.print(\"Message arrived [\");\r\n  Serial.print(topic);\r\n  Serial.print(\"]  Länge \");\r\n  Serial.print(length);\r\n  line0 =topic;\r\n  //Zieltemperatur\r\n  if (line0.endsWith(\"targettemp\")) { \r\n  int x = 0;\r\n  int y = 0; \r\n   for (int i=0;i<length;i++) {\r\n    if (i==0) {\r\n      x = payload[i]-'0';\r\n    }\r\n    if (i==1) {\r\n      y = payload[i]-'0';\r\n      x = x*10 + y;\r\n    }\r\n    if (i==2) {\r\n      x = 100;\r\n    }\r\n   }\r\n    targetTemp=x;\r\n    Serial.print(\" Zieltemperatur \");\r\n    Serial.println(targetTemp);\r\n  }  \r\n  //Motorsteuerung\r\n  if (line0.endsWith(\"drehz\")) { \r\n  int x = 0;\r\n  int y = 0; \r\n   for (int i=0;i<length;i++) {\r\n    if (i==0) {\r\n      x = payload[i]-'0';\r\n    }\r\n    if (i==1) {\r\n      y = payload[i]-'0';\r\n      x = x*10 + y;\r\n    }\r\n    if (i==2) {\r\n      x = 100;\r\n    }\r\n   }\r\n    motorSpeed=x;\r\n    stepper1.setSpeed(motorSpeed*100);\r\n    Serial.print(\" Motorspeed \");\r\n    Serial.println(motorSpeed);\r\n  }\r\n   if (line0.endsWith(\"motor\")){\r\n    int inByte1 = payload[0];\r\n     if (inByte1 == '0'){\r\n     motorOn = 0; \r\n    }\r\n    if (inByte1 == '1'){\r\n     motorOn = 1; \r\n    }   \r\n    Serial.print(\" motorON \");\r\n    Serial.println(motorOn);\r\n   }\r\n   if (line0.endsWith(\"power\")){\r\n    int inByte1 = payload[0];\r\n     if (inByte1 == '1'){\r\n       aktpower = HIGH;\r\n       digitalWrite(powerpin,aktpower);           \r\n    }    \r\n    if (inByte1 == '0'){\r\n       aktpower = LOW;\r\n       digitalWrite(powerpin,aktpower);           \r\n    }\r\n    Serial.print(\" aktpower \");\r\n    Serial.println(aktpower);\r\n   }\r\n   if (line0.endsWith(\"relais\")){\r\n    int inByte1 = payload[0];\r\n         if (inByte1 == '1'){\r\n       aktrelais = HIGH;\r\n       digitalWrite(relaispin,aktrelais);           \r\n    }    \r\n   if (inByte1 == '0'){\r\n       aktrelais = LOW;\r\n       digitalWrite(relaispin,aktrelais);           \r\n    } \r\n    Serial.print(\" aktrelais \");\r\n    Serial.println(aktrelais);  \r\n   } \r\n }\r\n \r\nvoid reconnect() {\r\n  // Loop until we're reconnected\r\n  while (!mqttClient.connected()) {\r\n    Serial.print(\"Attempting MQTT connection...\");\r\n    // Attempt to connect\r\n    if (mqttClient.connect(\"arduinoThermoskanne\")) {\r\n      Serial.println(\"connected\");\r\n      // Once connected, publish an announcement...\r\n      mqttClient.publish(\"/maschine\",\"hello world\");\r\n      // ... and resubscribe\r\n      mqttClient.subscribe(\"/maschine/cmd/#\");\r\n    } else {\r\n      Serial.print(\"failed, rc=\");\r\n      //Serial.print(ethClient.state());\r\n      Serial.println(\" try again in 5 seconds\");\r\n      // Wait 5 seconds before retrying\r\n      delay(1000);\r\n    }\r\n  }\r\n}\r\nvoid setup()\r\n{\r\n  Serial.begin(115200);\r\n  pinMode(relaispin,OUTPUT);\r\n  pinMode(powerpin,OUTPUT);\r\n  digitalWrite(relaispin,aktrelais);\r\n  digitalWrite(powerpin,aktpower);\r\n  Wire.begin(); // start up I2C bus\r\n  delay(500);\r\n  // scan();\r\n  stepper1.setMaxSpeed(motorMaxSpeed*100);\r\n  stepper1.setSpeed(motorSpeed*100);  \r\n  delay(1500);\r\n  int config = Temp1.readConfig();\r\n  Temp1.writeConfig(13);  // Set to 12-bit, 1-shot mode\r\n  config = Temp1.readConfig();    \r\n  mqttClient.setServer(server, 1883);\r\n  mqttClient.setCallback(callback);\r\n  Ethernet.begin(mac, ip);\r\n  // Allow the hardware to sort itself out\r\n  delay(1500);\r\n  reconnect();\r\n  pubTime = millis();\r\n}\r\n\r\nvoid checkTargetTemp(){\r\n  float tist = Temp1.readTempOneShot();\r\n  int takt = (int)tist;\r\n  int tdelta = targetTemp - takt;    // 10-20 aktrelais LOW -> kühlen  |  aktrealis HIGH -> heizen\r\n  Serial.println(tdelta);\r\n    if ( aktrelais == LOW){  // Kühlen\r\n      if (tdelta < 0){ \r\n        aktpower = HIGH;\r\n        digitalWrite(powerpin,aktpower);    \r\n        Serial.println(\"Power bleibt On\");\r\n        mqttClient.publish(\"/maschine/status\", \"Power On\");\r\n      } else {\r\n        aktpower = LOW;\r\n        digitalWrite(powerpin,aktpower);    \r\n        Serial.println(\"Power Off\");\r\n        mqttClient.publish(\"/maschine/status\", \"Power Off\");  \r\n      }\r\n    } else {                // Heizen\r\n      if (tdelta < 0){ \r\n        aktpower = LOW;\r\n        digitalWrite(powerpin,aktpower);    \r\n        Serial.println(\"Power OFF\");\r\n         mqttClient.publish(\"/maschine/status\", \"Power Off\");\r\n      } else {\r\n        t1 = float(Thermistor(analogRead(0)));\r\n        int i =  (int)t1;\r\n        targetTemp ;\r\n        Serial.print(i);\r\n        Serial.print(targetTemp);\r\n        i = i - targetTemp;\r\n        Serial.println(i);\r\n        if (i<1){\r\n          aktpower = HIGH;\r\n          digitalWrite(powerpin,aktpower);    \r\n          Serial.println(\"Power ON\");  \r\n          mqttClient.publish(\"/maschine/status\", \"Power On\");\r\n        }\r\n      }\r\n    }\r\n}\r\n\r\nvoid loop()\r\n{\r\n  if (motorOn== 1) {\r\n    stepper1.runSpeed();\r\n  }\r\n  mqttClient.loop();\r\n  if (!mqttClient.connected())\r\n  {\r\n    reconnect();\r\n  }\r\n  if(millis() > pubTime+5000){\r\n    pub_Temp(); \r\n    if (targetTemp > 0){\r\n      checkTargetTemp();\r\n    }      \r\n  }\r\n}\r\n\r\nvoid pub_Temp(){\r\n  pubTime = millis(); \r\n  float tist = Temp1.readTempOneShot();\r\n  dtostrf(tist, 6, 2, buffer);\r\n  mqttClient.publish(\"/maschine/temp\", buffer);\r\n  Serial.print(\" I2C Temp \");\r\n  Serial.println(tist);\r\n  t1 = float(Thermistor(analogRead(0)));\r\n  dtostrf(t1, 6, 2, buffer);\r\n  mqttClient.publish(\"/maschine/thermistor\", buffer);\r\n  Serial.print(\" Thermistor \");\r\n  Serial.println(t1);  \r\n  int i = (int) t1;\r\n  if (i > notfall){\r\n        targetTemp = 0;   \r\n        aktpower = LOW;\r\n        digitalWrite(powerpin,aktpower);    \r\n        Serial.println(\"Notfall\");\r\n        mqttClient.publish(\"/maschine/status\", \"Notfall HOT !!\");  \r\n  }\r\n}\r\n\r\ndouble Thermistor(int RawADC) {\r\n double Temp;\r\n Temp = log(10000.0*((1024.0/RawADC-1)));\r\n//         =log(10000.0/(1024.0/RawADC-1)) // for pull-up configuration\r\n Temp = 1 / (0.001129148 + (0.000234125 + (0.0000000876741 * Temp * Temp ))* Temp );\r\n Temp = Temp - 273.15;            // Convert Kelvin to Celcius\r\n//Temp = (Temp * 9.0)/ 5.0 + 32.0; // Convert Celcius to Fahrenheit\r\n return Temp;\r\n}\r\n\r\n/*\r\nvoid scan(){\r\nSerial.println(\" Scanning I2C Addresses\");\r\nuint8_t cnt=0;\r\nfor(uint8_t i=0;i<128;i++){\r\n  Wire.beginTransmission(i);\r\n  uint8_t ec=Wire.endTransmission(true);\r\n  if(ec==0){\r\n    if(i<16)Serial.print('0');\r\n    Serial.print(i,HEX);\r\n    cnt++;\r\n  }\r\n  else Serial.print(\"..\");\r\n  Serial.print(' ');\r\n  if ((i&0x0f)==0x0f)Serial.println();\r\n  }\r\nSerial.print(\"Scan Completed, \");\r\nSerial.print(cnt);\r\nSerial.println(\" I2C Devices found.\");\r\n}\r\n*/
", "tutorial_published": "2019-10-01T21:31:22Z", "tutorial_series": 1, "tutorial_slug": "rheodyne"}}, {"model": "main.tutorial", "pk": 14, "fields": {"tutorial_title": "Docker", "tutorial_content": "

Docker Good 2 Know

\r\n

15 Docker Comands You Should Know

", "tutorial_published": "2019-10-02T07:30:10Z", "tutorial_series": 4, "tutorial_slug": "docker"}}, {"model": "main.tutorial", "pk": 15, "fields": {"tutorial_title": "DNA PCR", "tutorial_content": "

DNA Isolation

\r\n

Genekam DNA Isolatin Kit Genekam_DNA_isolation.pdf

\r\n

\r\n

 

\r\n

DNA Färbung

\r\n

GreenView™ Plus is a highly sensitive fluorescent stain for detecting nucleic acids in agarose and polyacrylamide gels. This single stain gives high sensitivity detection of double-stranded or single-stranded DNA and RNA. Gels can be post-stained or alternatively the stain can be added to agarose gels during gel casting. GreenView™ Plus is compatible with a standard 300 nm transilluminator, a 254 nm transilluminator, a blue-light transilluminator, or a gel reader equipped with visible light excitation such as a 488 nm laser-based gel scanner.

\r\n

GreenView™ Plus DNA Gel Stain, 10,000X is a concentrated GreenView Plus solution that can be diluted 10,000 times for use in precast gel staining or 5,000 times for use in post gel staining according to the procedures described below. One vial of 10,000X solution can be used to prepare at least 100 precast minigels or post-stain at least 100 minigels.

", "tutorial_published": "2019-10-02T17:52:40Z", "tutorial_series": 8, "tutorial_slug": "dna"}}, {"model": "main.tutorial", "pk": 16, "fields": {"tutorial_title": "ESP32 etc", "tutorial_content": "

ESP-WROOM-32 (2)

\r\n\r\n

Heltec WiFi kit 32 (weisses Board) (2) WIFI_Kit_32.pdf

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
NameAnzahllinkInfos
ESP32-CAM2https://randomnerdtutorials.com/ 
ESP8266 ESP-071esp-07.pdf 
AMS1117-3.32 In 6-12V Out 3.3V max 800mA
PAM8302  Audio Amplifier 2.5W
GY-SHT312 I2C x44 oder x45 2,4-5,5V -40 - 125 C
SSR-60 DA  REalis in DC3-32V out AC24-380 60A
SSR-40 DD3 Relais in DC3-32V out 5-60 VDC 40A
HC-SR5015Netzmafia 
Flying Fish1IR Distance 
OLED 13061github 
GO ON2 Funsteckdosen
Cul1Selbstbau_CULTransceiver 433MHz
SonOff Basic  esp Funkmodul -> flash sonoff.bin
LCD Keypad Shield4 Arduino Input/Output
TEC1-127066peltier.datasheet/TEC1-12706.pdfPeltier Element
FS20 PIRA  868,35 MHz
ADS11151 4 * 16 Bit A/D Wandler I2C
\r\n

 

\r\n

Relais 12V /5V schalten 220V:

\r\n

\"\"

", "tutorial_published": "2019-10-04T12:46:01Z", "tutorial_series": 9, "tutorial_slug": "bauteile"}}, {"model": "main.tutorial", "pk": 17, "fields": {"tutorial_title": "Marconi 2438", "tutorial_content": "

Marconi 2438

\r\n

520Mhz Frequenzzähler

\r\n

Marconi2438.pdf

", "tutorial_published": "2019-10-25T20:59:31Z", "tutorial_series": 1, "tutorial_slug": "marconi"}}, {"model": "main.tutorial", "pk": 18, "fields": {"tutorial_title": "FY6600", "tutorial_content": "

Frequenzgenerator 60MHz

\r\n

Manual.pdf

\r\n

 

", "tutorial_published": "2019-10-25T21:13:08Z", "tutorial_series": 1, "tutorial_slug": "fy6600"}}, {"model": "main.tutorial", "pk": 19, "fields": {"tutorial_title": "Material", "tutorial_content": "

 

\r\n

Die Küvette, das Herzstück der Anlage ist eine Durchfuß-Quarzküvette der Firma Hellma. Nr 101-QS 10x2 mit 45x12,5,x4,5 deren Temperatur über eine durchströmende Flüssigkeit geregelt werden kann. Innenraum 10x4,5x6mm, Fenster 10x4,5. Um die Empfindlichkeit zu erhöhen wurde auf eine Seite Aluminiumfolie angebracht.

\r\n

 

\r\n

Reagentien Stammlösungen

\r\n\r\n

 

\r\n

Ismatec IPC Pumpe mit einem Schlauchdurchmesser von 1,02.

\r\n

\"\"

\r\n

 

\r\n

Die Kaliumhexacyanoferrat-Lösung wurde über ein Rheodyn-Ventil 7010 mit einer Probenschleife von 100 μl in das System eingeleitet. Die Probe wurde mit einer motorgetriebene Spritze eingefüllt.

\r\n

Anleitung Kontrolle Ventil...

\r\n

Erster Ansatz für Die Ventilsteuerung: Experimente: 10 | Delay Ventil: 20 | Load Ventil: 80 | Probenmenge 20

", "tutorial_published": "2019-10-26T20:30:47Z", "tutorial_series": 10, "tutorial_slug": "material"}}, {"model": "main.tutorial", "pk": 20, "fields": {"tutorial_title": "Exp43", "tutorial_content": "

Ergebnisse des Experiments 43

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Pumpe10
Luminol2 ml +10 ml Buffer
H2021 ml + 10 ml Buffer
PufferNa2CO3 / NaHCO3 0.1m
rotes Blutlaugensalz0,1 ml 1-10 mmol
\r\n

Auswertung der Daten des Files exp43.txt:

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
 FileKonzEinheitCountsc-stdAreaa-std
0exp43_342.csv1mmol9819.311118.982.25195e+06384732
1exp43_338.csv2.5mmol27949.941440.326.26399e+06309768
2exp43_339.csv5mmol45997.053420.919.39767e+06829244
3exp43_343.csv7.5mmol61029.509116.851.26266e+07845334
4exp43_340.csv10mmol91997.489466.642.20892e+072.34396e+06
\r\n

\r\n

", "tutorial_published": "2019-10-26T20:41:34Z", "tutorial_series": 10, "tutorial_slug": "exp43"}}, {"model": "main.tutorial", "pk": 21, "fields": {"tutorial_title": "Mathe", "tutorial_content": "

Ablauf der Auswertung für Flow

\r\n
    \r\n
  1. Kopiere den Ordner expxx und benenne in um z.B exp43
  2. \r\n
  3. Exportiere aus onlyscience über 2Octave die Daten in den Ordner
  4. \r\n
  5. Erstelle die exp43.txt Datei file.csv,amount,einheit
  6. \r\n
  7. Octave >> statscript('exp43.txt')  erzeugt die weiteren Dateien
  8. \r\n
  9. Jupyter Notebook Auswertung.ipynb aufrufen titel= anpassen
  10. \r\n
  11. In django admin tutorial erstellen und Daten aus Jupyter kopieren
  12. \r\n
\r\n

expXX.txt

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Dieser File enthält die Filename der Exportierten Daten, Konzentration, Einheiten. Dieser File wird zunächst mit Octave und stascript ausgewertet.

\r\n

Auswertung.ipynb übernimmt den File und führt die Auswertung fort

\r\n

hplc2.m

\r\n

Das Skript verwendet findpeaks.m im selben Directory. hplc('file.csv',Autozero wenn 1 übergeben wird).

\r\n

Es gibt seine Ergebnisse grafisch aus als <file>.jpg und als Array zurück _<file>.csv

\r\n

stascript.m

\r\n

Dieses Sscript liest einen File im Format <File.csv>,<zahl>,<Einheit> ein und übergibt ihm der Function hplc2(<file.csv,1>)

\r\n

 

\r\n

Ablauf der Auswertung für LuMiNoMeter1

\r\n
    \r\n
  1. Kopiere den Ordner expxx und benenne in um z.B exp43
  2. \r\n
  3. Exportiere aus onlyscience über 2Octave die Daten in den Ordner
  4. \r\n
  5. Erstelle die exp43.txt Datei file.csv,amount,einheit
  6. \r\n
  7. Jupyter Notebook half-life.ipynb aufrufen titel= anpassen und ausführen
  8. \r\n
  9. In django admin tutorial erstellen und Daten aus Jupyter kopieren
  10. \r\n
\r\n

 

\r\n

 

\r\n

 

", "tutorial_published": "2019-10-28T09:13:12Z", "tutorial_series": 10, "tutorial_slug": "mathe"}}, {"model": "main.tutorial", "pk": 22, "fields": {"tutorial_title": "Exp45", "tutorial_content": "

Ergebnisse des Experiments 45

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Pumpe10
Luminol2 ml +10 ml Buffer
H2021 ml + 10 ml Buffer
PufferNa2CO3 / NaHCO3 0.1m
rotes Blutlaugensalz0,1 ml 1-10 mmol
\r\n

Auswertung der Daten des Files exp45.txt:

\r\n

 

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
 FileKonzEinheitCountsc-stdAreaa-std
0exp45_345.csv1mmol16129.161300.952.94691e+06286954
1exp45_348.csv2mmol16862.401830.954.72148e+06978876
2exp45_349.csv4mmol41970.904561.021.08517e+072.43103e+06
3exp45_347.csv5mmol38121.902413.718.28388e+06482313
4exp45_350.csv6mmol56348.5912035.121.30687e+074.67824e+06
5exp45_351.csv8mmol73051.198133.482.02288e+074.80216e+06
6exp45_346.csv10mmol91404.175437.372.13808e+071.8368e+06
\r\n

 

\r\n

\r\n

\r\n

 

", "tutorial_published": "2019-10-31T20:50:43Z", "tutorial_series": 10, "tutorial_slug": "exp45"}}, {"model": "main.tutorial", "pk": 23, "fields": {"tutorial_title": "Exp48", "tutorial_content": "

Ergebnisse des Experiments 48

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Pumpe10
Luminol2 ml +10 ml Buffer
H2021 ml + 10 ml Buffer
PufferNa2CO3 / NaHCO3 0.1m
rotes Blutlaugensalz5 mmol
\r\n

Die Temperatur wurde variiert

\r\n

Auswertung der Daten des Files exp48.txt:

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
FileKonzEinheitCountsc-stdAreaa-std
0exp48_356.csv20.5C21703.253763.895.06564e+06972540
1exp48_359.csv28.5C26951.027218.242.60555e+072.50271e+07
2exp48_357.csv31.8C57459.147371.663.02893e+072.68876e+07
3exp48_361.csv35.5C39320.543265.931.11871e+071.72354e+06
4exp48_358.csv36.5C60911.432452.531.41994e+071.66568e+06
\r\n

\r\n

\r\n

 

", "tutorial_published": "2019-10-31T21:07:31Z", "tutorial_series": 10, "tutorial_slug": "exp48"}}, {"model": "main.tutorial", "pk": 24, "fields": {"tutorial_title": "Git", "tutorial_content": "

Wo sind alle meine Sourcen ?

\r\n

 

\r\n

Ex 1und1

\r\n

* Testen: ssh p443763@home13497305.1and1-data.host

\r\n

* Schlüsselpaar erstellen: ssh-keygen

\r\n

*  Upload mit: cat ~/.ssh/id_rsa.pub | ssh p443763@home13497305.1and1-data.host 'cat >> .ssh/authorized_keys'

\r\n
/Repos:
\r\n
Anlagen
Arduino
Arduino2
C-Control-Wiga
ChemieErgebnisse
JfsFoMeter
JfsLuMiNoMeter
LaborDB
MyJQM
WigaCom2
arduino-1.0.1
c-control-station-1
cebo
example.git
matchport
mathlab
onlyElektronik
onlyGarten
onlyOctave
onlyScience
otterly-raman-gui
praxis_qm
repos.txt
scripts
test

workaraound:
git clone ssh://p443763@home13497305.1and1-data.host/~/repos/test
cd test | git pull origin
...
.add
git commit -m\"something\"
git push origin master



", "tutorial_published": "2019-11-14T21:19:23Z", "tutorial_series": 4, "tutorial_slug": "git"}}, {"model": "main.tutorial", "pk": 25, "fields": {"tutorial_title": "Rp 4", "tutorial_content": "

Soundausgabe RP4 über HDMI

\r\n

ssh root@libreelec

\r\n

Then:

\r\n

 

\r\n

mount -o remount,rw /flash

\r\n

nano /flash/config.txt

\r\n

And add the line:

\r\n

hdmi_drive=2

\r\n

Ctrl+o to save and Ctrl+x to exit nano. Reboot and it should all work. You should also consider adding the line:

\r\n

hdmi_force_hotplug=1

\r\n

Which will ensure HDMI is used even if unplugged or the TV is off when the libreelec box is turned o

", "tutorial_published": "2019-12-08T16:27:41Z", "tutorial_series": 1, "tutorial_slug": "rp4"}}, {"model": "main.tutorial", "pk": 26, "fields": {"tutorial_title": "HPLC", "tutorial_content": "

Script für Verbesserungen Skript_HPLC_Mobile_Phase_Optimization_Strategies_for_Reversed_Phase.pdf

\r\n

HPLC: Eigener Versuch Koffein und Taurin siehe HPLC_Koffein_2.pdf

\r\n

Protokoll Theobromin|Theophyllin|Koffein Totzeit Thioharnstoff HPLC_ANA_Coffein_innerer_Standart.pdf

\r\n

Eigener Versuch HPLC_Coffein_innerer_Standart.pdf

\r\n

Simultaneous Determination of Caffeine and Water-Soluble
Vitamins in Energy Drinks by HPLC with Photodiode Array
and Fluorescence Detection [Methanol] Coffein_b1_b6_fluoreszenzdetektor.pdf

\r\n

\"\"

\r\n

Simultaneous HPLC Determination of Caffeine,
Theobromine, and Theophylline in Food,
Drinks, and Herbal Products [ACN] coffein_theobromin_theophylline.pdf

\r\n

The importance of controlling mobile phase pH when analyzing ionizable
compounds by reversed phase (RP) HPLC is often recognized and easily understood,
however it is often equally important to control pH when working with
field samples of non-ionizable compounds due to the presence of ioniable
impuritites.
SELECTING THE RIGHT BUFFER HPLC_PHWert.pdf

", "tutorial_published": "2019-12-12T22:02:47Z", "tutorial_series": 11, "tutorial_slug": "hplc"}}, {"model": "main.tutorial", "pk": 27, "fields": {"tutorial_title": "p-iodophenol", "tutorial_content": "

Reinigung

\r\n

 

\r\n

\"\"

\r\n

\"\"

\r\n

HPLC

\r\n

\"\"

\r\n

 

\r\n

\"\"

\r\n

Highly sensitive non-radioactive, enhanced luminol-based chemiluminescent substrate for the detection of horseradish peroxidase (HRP) conjugates on immunoblots. The ECL Western Blotting Substrate detects and visualizes the presence of picogram (pg) amounts of antigen through the use of photographic or other suitable chemiluminescent imaging methods.

\r\n

\"\"

", "tutorial_published": "2019-12-13T23:40:24Z", "tutorial_series": 11, "tutorial_slug": "p-iodophenol"}}, {"model": "main.tutorial", "pk": 28, "fields": {"tutorial_title": "Laborjournal", "tutorial_content": "

Altes Journal LaborJournal_2013.pdf

", "tutorial_published": "2019-12-15T16:08:19Z", "tutorial_series": 11, "tutorial_slug": "laborjournal"}}, {"model": "main.tutorial", "pk": 29, "fields": {"tutorial_title": "marathon", "tutorial_content": "

Marathon Autosampler

\r\n

Marathron_Manual.pdf

\r\n

Marathron_Kurz_Manual.pdf

\r\n

Unterlagen über die RS232 | Sparklinkprogramme | Handuch Nachfolger 400 sind unter /leibniz/jfs_labor/Akupunktur/Marathon zu finden

\r\n

Programmierung

\r\n
    \r\n
  1. onlyScience | CeboHPLC | Save HPLC das Autosamplerformular ausfüllen und darauf achten, das im marathon ein Vial mehr prgrammiert wurde (Abschluss des letzten Scans)
  2. \r\n
  3. Open Cebo | Autosampler selektieren
  4. \r\n
  5. Photometer | Frequenz ok? | Au -> Output V ok?
  6. \r\n
  7. Pumpe läuft
  8. \r\n
  9. Autosampler Schraube angezogen? | dann Autosamper starten
  10. \r\n
\r\n

Control I/O

\r\n

8-COMM -> weisses Kabel

\r\n

6-N.O. -> grünes Kabel

\r\n

Test nach dem Marathon Manual:

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Eluentdestilliertes Wasser 
IndikatorThioharnstoff0.1 mg/ml Stammlösung 20myl auf 1ml aquadest im Vial
Lambda235nm 
Flow1.25 ml/min 
\r\n

Marathon 1

\r\n

12.05.2020 hat leider ein Problem mit dem Stoppen des Ladeflusses. Es ist evtl die Pumping cassette defect.

\r\n
\r\n

Marathon 2 (neuer)

\r\n

\"check\"

\r\n

3 Vials Indikator|Blind|Indikator|Blind . Analysezeit auf 30 sec gesetzt

\r\n

\"check2\"

", "tutorial_published": "2019-12-16T14:05:26Z", "tutorial_series": 1, "tutorial_slug": "marathon"}}, {"model": "main.tutorial", "pk": 30, "fields": {"tutorial_title": "Fluoreszenzdetektor jasco 821", "tutorial_content": "

Fluoreszenzdetektor jasco_821

\r\n

Allgemeines zur Fluoreszenzspektroskopie AII_09_Fluoreszenz.pdf

\r\n

Info über jasco_821.pdf

\r\n

Manual Jasco fp920 jasco-fp920-manual-1995-eng.pdf

\r\n

Patent Flow Cell patent.pdf

\r\n

 

\r\n

Scan aufnehmen

\r\n

Unter FM4100|Sweep wird eine Scan über die unterschiedlichen Anregungsfrequenzen aufgenommen. Vor der Aufnahme der einzelnen Scans ist darauf zu achten,daß der Marker-Trigger auf 0 zeigt. Dies ist der Fall wenn A2[V] = 0. Sollte der Marker-Trigger High sein, so der Sweep-Modus mit PARAMETER verlassen und MARKER gedrückt.

\r\n

Im Programm zunächst die EMissionsfrequenz eingeben.

\r\n

Mit [CRTL]down | up | down | EDIT | Frequenz das Gerät vorbereiten.Im Programm Record auswählen und dann mit RUN/STOP anschließend den Scan ausführen.

\r\n

Titel gibt den Namen des Datensatzes an. Verstärkung und die Attunation im Kommentar vermerken. Mit New wird ein neuer Datensatz mit dem aktuellen Titel und Kommentar initialisiert (id = 0). Nun können Scans aufgenommen werden die mit Add in den Zwischenspeicher übernommen werden. Save speichert dann die Daten in die Datenbank.

\r\n

Um weitere Scans anzufügen wird der gespeicherte Scan geladen (auf die id achten), Scans aufgenommen und mit Add vermerkt, die dann mit Save in die Datenbank überführt werden.

\r\n

 

\r\n

Tastenfunktionen

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Taste 1Taste 2Aufgabe
CTRLupAuswahl RS232 | LC-Net\"
CTRLdownSweep Mode
CTRLPRGMLamp Operation
CTRLMARKERCM B abd Width
CTRLAUTOZEROAUTO | MANUAL
CTRLRUN/STAPPolarity
CTRLPARAMETERMonitor
CTRLENTERA.Z Position Integration 0..100mV
", "tutorial_published": "2019-12-20T11:57:00Z", "tutorial_series": 1, "tutorial_slug": "floureszenz"}}, {"model": "main.tutorial", "pk": 31, "fields": {"tutorial_title": "JfsLuMiNoMeter", "tutorial_content": "

Ein Messinstrument, das auf einem Single Photon Counting Module von PerkinElmer aufbaut spcm_aqrh.pdf Über einen 74HC590 basierten Vorteiler 74hc590.pdf werden die Impulse mithilfe einen Arduino UNO gezählt. Die Messkammer wurde mit einem RepRap hergestellt. Resourcen als [GIT]

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
16 10 VCC | 9 offen
8 14 12 GND
11 13 IN 15 1-7 OUT
\r\n

Die Idee stammt von Martin Nawrath KHM LAB3

\r\n

Die ausgegebenen Messwerte entsprechen einer  EingangsFrequenz= Messwert*10 bei direktem Input. Benutzt man den den Teiler so ist der Messwert entsprechend zu multiplizieren [2,4,8,16..]

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\"\"\"\"
\r\n

 

", "tutorial_published": "2020-01-31T14:21:38Z", "tutorial_series": 1, "tutorial_slug": "jfsluminometer"}}, {"model": "main.tutorial", "pk": 32, "fields": {"tutorial_title": "exp52 JfsLuMi_1", "tutorial_content": "

Flowcellexperiment mit JfsLuMiNoMeter_1 nach gespielt

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
VerbindungStammlsgFlowKonz>> Konzauf 3mlfür 2ml je mlauf 20ml
Luminol10mmol2ml+10ml Buf1.67 mmol0.56 mmol1.12 mmol2.24 ml Stamm
H2O2150mmol1ml+10ml Buf13.6 mmol4.5 mmol9 mmol0.6 ml Stamm
Buffer 10 ml Buf    
\r\n

Ablauf: je 1ml Luminol [1.12mmol] und 1ml H2O2 [9mmol] werden in eine mit einem Teflonrührstäbchen versehene Küvette gefüllt. Die Küvette wird, unter Beachtung der klaren Seite, unter rühren [850rpm] in das Luminometer gesteckt. Die Injektion wird vorbereitet. Die Auzeichnung wird gestartet und die 100myl werden injiziert.

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
rotes Blutlaugensalz1 mmol2.5 mmol5 mmol7.5 mmol10 mmol
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\"\"\"\"
\"\" 
\"\"\"\"
", "tutorial_published": "2020-02-03T17:12:24Z", "tutorial_series": 10, "tutorial_slug": "exp52"}}, {"model": "main.tutorial", "pk": 33, "fields": {"tutorial_title": "AutoHome", "tutorial_content": "

Hausautomatisierung Ottersteiner Str

\r\n

Wasserpumpe

\r\n

c-control station 2 siehe http://www.cc2net.de/Die_C-Control_II/Die_Station_II/die_station_ii.html
Xport auf Otterstein do> sudo socat PTY,link=/dev/XPort TCP:192.168.2.201:10001 &
Rechte für die Schnittstelle sudo chown pi:tty /dev/pts/1 und /dev/XPort
WigaTop/status
WigaTop/temp
WigaTop/humidity
WigaTop/relais/r1 bis r5 [on:off]

\r\n

Status 30.4.2019
Freenas Rancher
    - apt-get install socat
    sudo socat PTY,link=/dev/XPort TCP:192.168.2.201:10001 & | evtl vorher sudo rmdir /dev/XPort
    sudo chmod 777 /dev/XPort
    - docker run -d -p 1880:1880 -v /dev/XPort:/dev/XPort  -v node-red-data:/data --name mynodered nodered/node-red-docker

\r\n

bitwise | 192.168.2.72 | rancher:docker über ssh einlocken

\r\n

sudo ./pumpe.sh

\r\n

Achtung auf CR\\LF achten wenn unter Windows editiert (sed -i -e 's/\\r$//' pumpe.sh)

\r\n
#!/bin/bash\r\nsudo apt-get install socat\r\nsudo killall socat\r\nsudo rmdir /dev/XPort\r\nsudo socat PTY,link=/dev/XPort TCP:192.168.2.201:10001 &\r\nsleep 1\r\nsudo chmod 777 /dev/XPort\r\ndocker restart mynodered
", "tutorial_published": "2020-03-22T11:10:14Z", "tutorial_series": 1, "tutorial_slug": "autohome"}}, {"model": "main.tutorial", "pk": 34, "fields": {"tutorial_title": "Magnetic Stirrer", "tutorial_content": "

Magnetic Hotplate Stirrer

\r\n

\"neolab\"

\r\n

von neolab siehe GPEScientific-37498.pdf

\r\n

 

", "tutorial_published": "2020-04-07T19:35:55Z", "tutorial_series": 1, "tutorial_slug": "magstir"}}, {"model": "main.tutorial", "pk": 35, "fields": {"tutorial_title": "pH-Meter", "tutorial_content": "

pH Messung

\r\n

tradionelle Methode

\r\n

\"\"

\r\n
\r\n

Ph-Meter-Selbstbau

\r\n

 

\r\n

Die Schlauchpumpe wird über das Ph-Meter gesteuert. Dies kann mit oder ohne PC-Kontrolle erfolgen. Über das Ph-Meter wird der angeschlossene Schlauch verwaltet. Die geförderte Menge in [ml/sec] kann bei Bedarf vom PC abgefragt werden.

\r\n

Um das Ph-Meter zu eichen, wird über die Pfeiltasten die jeweilige Bufferlösung [ph 7.00 | ph 4.01] ausgewählt die Glaselektrode eine Zeitlang darin gehalten. Ist der Wert konstant so wird mit [>] die Messung in das EEPROM geschrieben.

\r\n

mit dem [select] wird der automatische Modus gestartet: die Pumpe läuft und die geförderte Menge wird aufgezeichnet. Durch erneutes Drücken wird die Pumpe angehalten. Die geföderte Menge bleibt sichbar.

\r\n

Mit dem [Left] wir der aktuelle Zustand wieder in den Grundzustand überführt

\r\n

\"\" 

\r\n

\"\"

", "tutorial_published": "2020-04-13T21:05:59Z", "tutorial_series": 1, "tutorial_slug": "phmeter"}}, {"model": "main.tutorial", "pk": 36, "fields": {"tutorial_title": "ESP32_Messerver", "tutorial_content": "

ESP32 Messerver

\r\n

Der Messerver basiert auf einem HELTEC Wifi Kit 32. Es kann ein 100k NTC angesclossen werden und über den I2C Bus ist eine 16bit A/D wandler ADS1115(x48) angeschlossen. Ein SHT3 liegt an (x44). Die Datenübertragung erfolgt durch MQTT an 192.168.2.71:1883.

\r\n

Aboniert: /ESP32_LAB1/CMD/# hier kann die Messfrequenz in 10ms Schritten verändert werden [1-1000]x10

\r\n

Sendet unter /ESP32_LAB1/

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
TermistorNTC
A/D WandlerV0 V1 V2 V3
SHT3\r\n

T1 H1 P1

\r\n
\r\n

Software ESP32_ADS1115_mqtt.ino [ntc_support-h]

\r\n

Node Red:

\r\n\r\n\r\n\r\n\r\n\r\n\r\n
[{\"id\":\"41567739.5ef838\",\"type\":\"tab\",\"label\":\"ESP32\",\"disabled\":false,\"info\":\"\"},{\"id\":\"8abc0387.f33f1\",\"type\":\"mqtt in\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"topic\":\"/ESP32_LAB1/V1\",\"qos\":\"2\",\"datatype\":\"auto\",\"broker\":\"e648c42a.786878\",\"x\":190.1999969482422,\"y\":151.1999969482422,\"wires\":[[\"a2c3345c.15452\",\"d619b09e.877f5\"]]},{\"id\":\"a2c3345c.15452\",\"type\":\"debug\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"active\":false,\"tosidebar\":true,\"console\":false,\"tostatus\":false,\"complete\":\"false\",\"x\":448.1999969482422,\"y\":158.1999969482422,\"wires\":[]},{\"id\":\"d619b09e.877f5\",\"type\":\"ui_gauge\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"group\":\"407e1e4.887dc6\",\"order\":1,\"width\":0,\"height\":0,\"gtype\":\"gage\",\"title\":\"gauge\",\"label\":\"units\",\"format\":\"{{value}}\",\"min\":0,\"max\":\"3.3\",\"colors\":[\"#00b500\",\"#e6e600\",\"#ca3838\"],\"seg1\":\"\",\"seg2\":\"\",\"x\":469.1999969482422,\"y\":262.1999969482422,\"wires\":[]},{\"id\":\"c43daeaf.3606\",\"type\":\"mqtt in\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"topic\":\"/ESP32_LAB1/V2\",\"qos\":\"2\",\"datatype\":\"auto\",\"broker\":\"e648c42a.786878\",\"x\":188.70001220703125,\"y\":210.20001220703125,\"wires\":[[\"c0c59888.3d5bd\"]]},{\"id\":\"c0c59888.3d5bd\",\"type\":\"ui_gauge\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"group\":\"407e1e4.887dc6\",\"order\":3,\"width\":0,\"height\":0,\"gtype\":\"gage\",\"title\":\"gauge\",\"label\":\"units\",\"format\":\"{{value}}\",\"min\":0,\"max\":\"3.3\",\"colors\":[\"#00b500\",\"#e6e600\",\"#ca3838\"],\"seg1\":\"\",\"seg2\":\"\",\"x\":470.70001220703125,\"y\":303.20001220703125,\"wires\":[]},{\"id\":\"32096f71.c3a8e\",\"type\":\"mqtt in\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"topic\":\"/ESP32_LAB1/V0\",\"qos\":\"2\",\"datatype\":\"auto\",\"broker\":\"e648c42a.786878\",\"x\":190,\"y\":272,\"wires\":[[\"ffcf42b5.61ad98\"]]},{\"id\":\"ffcf42b5.61ad98\",\"type\":\"ui_gauge\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"group\":\"407e1e4.887dc6\",\"order\":4,\"width\":0,\"height\":0,\"gtype\":\"gage\",\"title\":\"gauge\",\"label\":\"units\",\"format\":\"{{value}}\",\"min\":0,\"max\":\"3.3\",\"colors\":[\"#00b500\",\"#e6e600\",\"#ca3838\"],\"seg1\":\"\",\"seg2\":\"\",\"x\":471,\"y\":353,\"wires\":[]},{\"id\":\"99c7a322.92c268\",\"type\":\"mqtt in\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"topic\":\"/ESP32_LAB1/V3\",\"qos\":\"2\",\"datatype\":\"auto\",\"broker\":\"e648c42a.786878\",\"x\":193.29998779296875,\"y\":327.79998779296875,\"wires\":[[\"4d3c4dbe.09fab4\"]]},{\"id\":\"4d3c4dbe.09fab4\",\"type\":\"ui_gauge\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"group\":\"407e1e4.887dc6\",\"order\":2,\"width\":0,\"height\":0,\"gtype\":\"gage\",\"title\":\"gauge\",\"label\":\"units\",\"format\":\"{{value}}\",\"min\":0,\"max\":\"3.3\",\"colors\":[\"#00b500\",\"#e6e600\",\"#ca3838\"],\"seg1\":\"\",\"seg2\":\"\",\"x\":477.29998779296875,\"y\":399.79998779296875,\"wires\":[]},{\"id\":\"db5a8fec.d3f4\",\"type\":\"mqtt in\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"topic\":\"/ESP32_LAB1/NTC\",\"qos\":\"2\",\"datatype\":\"auto\",\"broker\":\"e648c42a.786878\",\"x\":203,\"y\":406,\"wires\":[[\"a515770d.224f48\"]]},{\"id\":\"a515770d.224f48\",\"type\":\"ui_gauge\",\"z\":\"41567739.5ef838\",\"name\":\"NTC\",\"group\":\"76d2f9e8.a19b68\",\"order\":2,\"width\":0,\"height\":0,\"gtype\":\"gage\",\"title\":\"gauge\",\"label\":\"units\",\"format\":\"{{value}}\",\"min\":\"-10\",\"max\":\"250\",\"colors\":[\"#00b500\",\"#e6e600\",\"#ca3838\"],\"seg1\":\"\",\"seg2\":\"\",\"x\":475,\"y\":460,\"wires\":[]},{\"id\":\"9c6207e7.208b38\",\"type\":\"mqtt in\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"topic\":\"/ESP32_LAB1/T1\",\"qos\":\"2\",\"datatype\":\"auto\",\"broker\":\"e648c42a.786878\",\"x\":200,\"y\":486,\"wires\":[[\"7dae920f.84a1e4\"]]},{\"id\":\"7dae920f.84a1e4\",\"type\":\"ui_gauge\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"group\":\"eecc4377.0a54b8\",\"order\":2,\"width\":0,\"height\":0,\"gtype\":\"gage\",\"title\":\"gauge\",\"label\":\"units\",\"format\":\"{{value}}\",\"min\":\"-20\",\"max\":\"100\",\"colors\":[\"#00b500\",\"#e6e600\",\"#ca3838\"],\"seg1\":\"\",\"seg2\":\"\",\"x\":475,\"y\":534,\"wires\":[]},{\"id\":\"f2e551c2.94518\",\"type\":\"mqtt in\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"topic\":\"/ESP32_LAB1/H1\",\"qos\":\"2\",\"datatype\":\"auto\",\"broker\":\"e648c42a.786878\",\"x\":200,\"y\":580,\"wires\":[[\"c1d6995.1e62268\"]]},{\"id\":\"c1d6995.1e62268\",\"type\":\"ui_gauge\",\"z\":\"41567739.5ef838\",\"name\":\"Humidity\",\"group\":\"eecc4377.0a54b8\",\"order\":2,\"width\":0,\"height\":0,\"gtype\":\"donut\",\"title\":\"Humidity\",\"label\":\"%\",\"format\":\"{{value}}\",\"min\":0,\"max\":\"100\",\"colors\":[\"#00b500\",\"#e6e600\",\"#ca3838\"],\"seg1\":\"\",\"seg2\":\"\",\"x\":461,\"y\":610,\"wires\":[]},{\"id\":\"c2cc0023.8bbcf\",\"type\":\"mqtt in\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"topic\":\"/ESP32_LAB1/P1\",\"qos\":\"2\",\"datatype\":\"auto\",\"broker\":\"e648c42a.786878\",\"x\":198,\"y\":657,\"wires\":[[\"2655adf5.441442\"]]},{\"id\":\"2655adf5.441442\",\"type\":\"ui_gauge\",\"z\":\"41567739.5ef838\",\"name\":\"Druck\",\"group\":\"eecc4377.0a54b8\",\"order\":2,\"width\":0,\"height\":0,\"gtype\":\"wave\",\"title\":\"Humidity\",\"label\":\"psi\",\"format\":\"{{value}}\",\"min\":0,\"max\":\"1\",\"colors\":[\"#00b500\",\"#e6e600\",\"#ca3838\"],\"seg1\":\"\",\"seg2\":\"\",\"x\":452,\"y\":690,\"wires\":[]},{\"id\":\"2a108eb9.68a1aa\",\"type\":\"mqtt out\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"topic\":\"/ESP32_LAB1/CMD/interval\",\"qos\":\"\",\"retain\":\"\",\"broker\":\"e648c42a.786878\",\"x\":508.5,\"y\":774,\"wires\":[]},{\"id\":\"969b3320.66a92\",\"type\":\"ui_slider\",\"z\":\"41567739.5ef838\",\"name\":\"\",\"label\":\"slider\",\"tooltip\":\"\",\"group\":\"f07cf255.8d00d\",\"order\":1,\"width\":0,\"height\":0,\"passthru\":true,\"outs\":\"end\",\"topic\":\"/ESP32_LAB1/CMD/interval\",\"min\":0,\"max\":\"1000\",\"step\":1,\"x\":157.5,\"y\":774,\"wires\":[[\"2a108eb9.68a1aa\"]]},{\"id\":\"e648c42a.786878\",\"type\":\"mqtt-broker\",\"z\":\"\",\"name\":\"otterstein\",\"broker\":\"192.168.2.71\",\"port\":\"1883\",\"clientid\":\"\",\"usetls\":false,\"compatmode\":true,\"keepalive\":\"60\",\"cleansession\":true,\"birthTopic\":\"\",\"birthQos\":\"1\",\"birthRetain\":\"true\",\"birthPayload\":\"\",\"closeTopic\":\"\",\"closeQos\":\"1\",\"closeRetain\":\"true\",\"closePayload\":\"\",\"willTopic\":\"\",\"willQos\":\"1\",\"willRetain\":\"true\",\"willPayload\":\"\"},{\"id\":\"407e1e4.887dc6\",\"type\":\"ui_group\",\"z\":\"\",\"name\":\"Temperatur\",\"tab\":\"f0be1f2b.390868\",\"order\":3,\"disp\":true,\"width\":\"6\",\"collapse\":false},{\"id\":\"76d2f9e8.a19b68\",\"type\":\"ui_group\",\"z\":\"\",\"name\":\"NTC\",\"tab\":\"f0be1f2b.390868\",\"order\":1,\"disp\":true,\"width\":\"6\",\"collapse\":false},{\"id\":\"eecc4377.0a54b8\",\"type\":\"ui_group\",\"z\":\"\",\"name\":\"SHT3x\",\"tab\":\"f0be1f2b.390868\",\"order\":2,\"disp\":true,\"width\":\"6\",\"collapse\":false},{\"id\":\"f07cf255.8d00d\",\"type\":\"ui_group\",\"z\":\"\",\"name\":\"CMD\",\"tab\":\"f0be1f2b.390868\",\"order\":4,\"disp\":true,\"width\":\"6\",\"collapse\":false},{\"id\":\"f0be1f2b.390868\",\"type\":\"ui_tab\",\"z\":\"\",\"name\":\"ESP32_LAB\",\"icon\":\"dashboard\",\"order\":4,\"disabled\":false,\"hidden\":false}]
", "tutorial_published": "2020-04-23T16:57:24Z", "tutorial_series": 1, "tutorial_slug": "messerver"}}, {"model": "main.tutorial", "pk": 37, "fields": {"tutorial_title": "WTW LF537", "tutorial_content": "

Konduktometer LF 537

\r\n

Manual für das Gerät WTW_LF537.pdf

\r\n

Daten für die Messzelle WTW_LF_TetraCon96.pdf

", "tutorial_published": "2020-04-24T15:36:24Z", "tutorial_series": 1, "tutorial_slug": "wtwlf537"}}, {"model": "main.tutorial", "pk": 38, "fields": {"tutorial_title": "HPLC Anlage", "tutorial_content": "
HPLC Grundlagen
\r\n

HPLC_fuer_Neueinsteiger.pdf

\r\n

SäulenRegeneration.pdf

\r\n

Skript_HPLC_Mobile_Phase_Optimization_Strategies_for_Reversed_Phase_PUUN1l2.pdf

\r\n

HPLC_PH.pdf

\r\n

Quantifizierung_Koffein_Ausbildungssystem.pdf

\r\n

Flussrate

\r\n

In der Umkerphasen-Chromatographe gelten für ACN|Wasser folgende günstigen Flussraten

\r\n

 

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Innendurchmesser der SäuleFlussrate ml/min
4,6 mm1 - 2
3 mm0,5 - 1
2 mm0,3 - 0,5
\r\n

 

\r\n

Die Konzentration der Probe sollte so gewählt werden, das die Extinktion des Peaks nicht höher als 1 [AU] ist.

\r\n

 

\r\n

Beispiel: Probenvolumen 10 µm Koffein-Konzentration 0.1 - 1 mg/ml Wasser/Acetonitril 8:2; Detektor UV 272nm.

\r\n

1 mg/ml ( = 1g/L ) entspricht dann einer Substanzmenge von 10 µg in der Säule

\r\n

 

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
KonzentrationInjektionsvolumenSubstanzmenge
1 mg/ml10 µl10 µg
0.5 mg/ml20 µl10 µg
\r\n

 

\r\n
Überladung der Trennsäule
\r\n

Die Säule kann nicht beliebig viel Substanzmenge trennen. Ist diese zu groß so kommt es zum Tailing und zur Veränderung der Retentionszeiten. Allgemein sollte die Probenmenge kleiner als 10 µg pro Gramm stationäre Phase sein. Die Säule enthält ca 1 g staionäre Phse (0.5 - 5 g).

\r\n

Zum Testen sollte man mit 1 µg beginnen.

\r\n
\r\n
Autosampler
\r\n
    \r\n
  1. Schraube fest?
  2. \r\n
  3. Luftdruck
  4. \r\n
  5. Programmierung Marathon ok?
  6. \r\n
  7. Pumpe vorlauf ca 10min
  8. \r\n
  9. Signal mAu konstant?
  10. \r\n
  11. Ein Vial mehr mit ACN oder Laufmittel
  12. \r\n
  13. Beim anlaufen der Anlage 1 Vial nur mit Laufmittel
  14. \r\n
\r\n

Programm starten

\r\n

open cebu

\r\n

unter |Save HPLC| mit 4table eine Liste der zu erwartenden Abläufe erstellen.

\r\n

Autosampler checken

\r\n

Marathon starten

\r\n

 

\r\n
\r\n

\"koffein_10_90\"

\r\n

Nach vielem Mühsal die verschiedenen Komponenten zum Laufen zu bringen - ein Ergebnis 3 mal reproduziert.
      

\r\n
\r\n
Probleme
\r\n\r\n
\r\n
Säule ZORBAX SB-C18 5my 0.5x150mm
\r\n

Dies ist eine Säule für die Capillare LC und benötigt eine spezielle Einstellungen z.b Injection Volume 0.25 myl, Detektorzelle 500nL etc. Näheres unter caplcintro.pdf

\r\n
\r\n
Geräte
\r\n\r\n
\r\n
Test der Anlage
\r\n

Lösungsmittel werden nun mit dem neuen Ultraschallgerät proclean 3.0DSP entgast. Die Drift ist weg obwohl die Küvette wohl einen zirkulare Riß aufweist.

\r\n

ZORBAX Bonus-RP 4.6x150mm 3.5 my | 40my 100my 4min

\r\n

MeOH|H2O 40|60  0.8ml/min  273nm  Koffein [1mg/ml] 20myl Theophyllin [1mg/ml] auf 1ml Flussmittel Au = 0.5 beim Gemisch Au = 1

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\"\"\"\"\"\"
40my 100my 8minMeOH|H2O 26|74  1ml/minAu = 0.5
\"\"\"\"\r\n

\"\"

\r\n

 

\r\n
\r\n

\r\n

\r\n
\r\n

Regelmäßiger Test der Anlage

\r\n
    \r\n
  1. 3min Pumpe 1ml/min -> Druck etwa 21
  2. \r\n
  3. 3min Detektor 273 nm  Au 0.5
  4. \r\n
  5. Zero Detektor
  6. \r\n
  7. Start Autosampler | Vial 25 20yl Koffein auf 1ml Laufmittel | Vial 26 Laufmittel || 2 Injektionen [Fehler im Diagramm Blau auch Vial 25]
  8. \r\n
  9. Changes Laufzeit auf 6min
  10. \r\n
\r\n

\"Standart\"

\r\n
\r\n

Umbau der der Anlage auf Ads1115/UNO zur Datenaufzeichnung

\r\n

\"\"

\r\n

Test HPLC plus Fluoreszenzdetektor Ads1115 +/- 2.048V

\r\n

\"\"

\r\n

Aktuell optimierte Version [Koffein 1mg/ml B6 1mg/ml Theophyllin 1mg/ml]

\r\n

\"\"

\r\n

\"\"

\r\n

UV-Dektor mit höherer Empfindlichkeit 0.05Au -> 1V

\r\n

\"\"

", "tutorial_published": "2020-04-26T19:07:33Z", "tutorial_series": 1, "tutorial_slug": "hplcanalge"}}, {"model": "main.tutorial", "pk": 39, "fields": {"tutorial_title": "Injectomat", "tutorial_content": "

leider nicht mehr ganz funktionsfähig wegen des Akkusystems.

\r\n

Anleitung_Injectomat_C-CP.pdf

", "tutorial_published": "2020-04-26T19:51:05Z", "tutorial_series": 1, "tutorial_slug": "inject"}}, {"model": "main.tutorial", "pk": 40, "fields": {"tutorial_title": "Mettler AE 100", "tutorial_content": "

Handbuch_Mettler_Toledo_AE100_Anleitung.pdf

", "tutorial_published": "2020-04-26T19:56:26Z", "tutorial_series": 1, "tutorial_slug": "mettler"}}, {"model": "main.tutorial", "pk": 41, "fields": {"tutorial_title": "Nanocolor UVvis", "tutorial_content": "

Handbuch_VISUVVIS_de.pdf

\r\n

Handbuch_UVVIS_PC-Software_de.pdf

\r\n

 

\r\n

Kinetik über PC

\r\n

\"\"

", "tutorial_published": "2020-04-26T20:15:11Z", "tutorial_series": 1, "tutorial_slug": "nanocolor"}}, {"model": "main.tutorial", "pk": 42, "fields": {"tutorial_title": "Rotationsverdampfer", "tutorial_content": "
Geräte
\r\n

Steurung des Vakuum : Handbuch_Vacuubrand.pdf

", "tutorial_published": "2020-04-26T20:21:37Z", "tutorial_series": 1, "tutorial_slug": "1rotaverd"}}, {"model": "main.tutorial", "pk": 43, "fields": {"tutorial_title": "biofuge", "tutorial_content": "

Biofuge pico

\r\n

\"\"

\r\n

Zentrifuge von Hereaus /media/books/biofuge-pico.pdf

", "tutorial_published": "2020-05-19T18:11:39Z", "tutorial_series": 1, "tutorial_slug": "biofuge"}}, {"model": "main.tutorial", "pk": 44, "fields": {"tutorial_title": "Photobleaching", "tutorial_content": "

Photobleaching

\r\n

Experimente um Flureszenzspektrometer http://192.168.2.72:8000/floureszenz

\r\n

Literatur: Photobleaching_Fluoreszein.pdf

\r\n
Herstellung 10ymol Fluorescein (332.32 g/mol) -> 0,332mg auf 100ml PBS pH 7.4\r\n\r\nPHS  7.4 \r\n\r\nComponent\tAmount\tConcentration\r\nNa2HPO4-7H2O (mw: 268.07 g/mol)\t20.214 g\t0.0754 M\r\nNaH2PO4H2O (mw: 137.99 g/mol)\t3.394 g\t0.0246 M\r\n\r\n    Prepare 800 mL of distilled water in a suitable container.\r\n    Add 20.214 g of Na2HPO4-7H2O to the solution.\r\n    Add 3.394 g of NaH2PO4H2O to the solution.\r\n    Adjust solution to final desired pH using HCl or NaOH\r\n    Add distilled water until volume is 1 L.\r\n\r\nfür 250ml aus vorhandenen Chemikalien:\r\n\r\nNa2HPO4-12 H2O (mw 358.12) 0.0754 M -> 27.002 g -> 6,75 g\r\nNaH2PO4-2 H2O (Mw 156.01) 0.0246 M -> 3.84 -> 0,96 g\r\n\r\nstarten mit 200ml\r\n
\r\n

 

\r\n

 

", "tutorial_published": "2020-08-09T16:02:15Z", "tutorial_series": 12, "tutorial_slug": "photobleaching"}}, {"model": "main.tutorial", "pk": 45, "fields": {"tutorial_title": "ADS1115", "tutorial_content": "

Analog Digitalwandler aus UNO und Ads1115

\r\n

Der Ads1115 ist verfügt über 4 Ports und ist ein 16bit Analogdigitalwandler. Die Kommunikation erfolgt über den I2C-Bus. Es lassen sich 6 Messbereich von +/- 6.144V bis +/- 0.256V einstellen.

\r\n

Für die Messwertverarbeitung im Labor wurde der Ads auf einen Arduino-UNO gesetzt.

\r\n

\"\"

\r\n\r\n
\r\n
//#define DEBUG\r\n/*\r\n *  <s> Buffer wird mit vier mal ADCread single gefüllt\r\n *  <vx> Gain wird mit x gesetzt\r\n * \r\n */\r\n#include <Wire.h>\r\n#include <Adafruit_ADS1015.h>\r\n  // Descomentar el que interese\r\n  // ads.setGain(GAIN_TWOTHIRDS);  +/- 6.144V  1 bit = 0.1875mV (default)\r\n  // ads.setGain(GAIN_ONE);        +/- 4.096V  1 bit = 0.125mV\r\n  // ads.setGain(GAIN_TWO);        +/- 2.048V  1 bit = 0.0625mV\r\n  // ads.setGain(GAIN_FOUR);       +/- 1.024V  1 bit = 0.03125mV\r\n  // ads.setGain(GAIN_EIGHT);      +/- 0.512V  1 bit = 0.015625mV\r\n  // ads.setGain(GAIN_SIXTEEN);    +/- 0.256V  1 bit = 0.0078125mV \r\n  \r\nAdafruit_ADS1115 ads;\r\nfloat multiplier = 0.1875F;\r\nint aktgain = 0;\r\n\r\n\r\nunion dual{\r\n             char      charBuff[14];\r\n             int         intBuff[7];\r\n          };\r\n\r\ndual myData;\r\n\r\nbyte RxCmd [4] = {0,0,0,0};\r\n\r\nconst int buttonPin = 2;     // select the input pin for the potentiometer\r\nint ValueA0 = 0;        // variable to store the value coming from the sensor\r\nint buttonState = 0; \r\nint count = 0;\r\nboolean now =false;\r\nunsigned long times=0;\r\n\r\nvoid setup(void) \r\n{\r\n  pinMode(buttonPin, INPUT);\r\n  Serial.begin(115200);\r\n  while (!Serial) {\r\n    ; // wait for serial port to connect. Needed for native USB port only\r\n  }\r\n  ads.begin();\r\n\r\n}\r\n\r\nvoid readCounter(){\r\nif (buttonState == HIGH) {\r\n    if (now==false){\r\n      if (times ==0){\r\n         times = millis();\r\n         count += +1;\r\n         #ifdef DEBUG\r\n         Serial.println(count);\r\n         #endif\r\n      } else {\r\n        unsigned long delta;\r\n        delta = millis() -times;\r\n        if (delta >1000){\r\n        count += +1;\r\n         #ifdef DEBUG\r\n         Serial.println(count);\r\n         #endif \r\n        }\r\n      }     \r\n      now=true;\r\n    }\r\n    //digitalWrite(ledPin, LOW);\r\n  } else {\r\n    // turn LED off:\r\n    now= false;\r\n    times = 0;   \r\n    //digitalWrite(ledPin, HIGH);\r\n  } \r\n}\r\n\r\nvoid readADCinBuffer(){ \r\n  myData.intBuff[0] = ads.readADC_SingleEnded(0);\r\n  myData.intBuff[1] = ads.readADC_SingleEnded(1);\r\n  myData.intBuff[2] = ads.readADC_SingleEnded(2);\r\n  myData.intBuff[3] = ads.readADC_SingleEnded(3);\r\n  myData.intBuff[4] = count;\r\n  myData.intBuff[5] = aktgain;\r\n  myData.intBuff[6] = ValueA0;\r\n}\r\n\r\nvoid setgain(char i){\r\n switch (i){\r\n    case '1' :  ads.setGain(GAIN_ONE); \r\n              multiplier = 0.125F;\r\n              aktgain = 1;\r\n    break;\r\n    case '2' :  ads.setGain(GAIN_TWO); \r\n              multiplier = 0.0625F;\r\n              aktgain = 2;\r\n    break;\r\n    case '3' :  ads.setGain(GAIN_FOUR); \r\n              multiplier = 0.03125F;\r\n              aktgain = 3;\r\n    break;\r\n    case '4' :  ads.setGain(GAIN_EIGHT); \r\n              multiplier = 0.015625F;\r\n              aktgain = 4;\r\n    break;\r\n    case '5' :  ads.setGain(GAIN_SIXTEEN); \r\n              multiplier = 0.0078125F;\r\n              aktgain = 5;\r\n    break;\r\n default :\r\n   ads.setGain(GAIN_TWOTHIRDS);\r\n   multiplier = 0.1875F;\r\n   aktgain = 0;\r\n } \r\n #ifdef DEBUG\r\n Serial.print(\"multiplier \"); \r\n Serial.println( multiplier);\r\n #endif\r\n}\r\n\r\n#ifdef DEBUG\r\nvoid readADC(){\r\nint16_t adc0, adc1, adc2, adc3; \r\n  adc0 = ads.readADC_SingleEnded(0);\r\n  adc1 = ads.readADC_SingleEnded(1);\r\n  adc2 = ads.readADC_SingleEnded(2);\r\n  adc3 = ads.readADC_SingleEnded(3);\r\n  Serial.print(\"AIN0: \"); Serial.println(adc0 * multiplier);\r\n  Serial.print(\"AIN1: \"); Serial.println(adc1 * multiplier);\r\n  Serial.print(\"AIN2: \"); Serial.println(adc2 * multiplier);\r\n  Serial.print(\"AIN3: \"); Serial.println(adc3 * multiplier);\r\n  Serial.println(multiplier);\r\n} \r\n#endif\r\n\r\n\r\nvoid loop(void) \r\n{\r\n  #ifdef DEBUG\r\n    readADC();\r\n  #endif\r\n  for (int i = 0 ; i < 4 ; i++) {\r\n    RxCmd[i] = 0;\r\n  }\r\n  char inc;\r\n  readADCinBuffer();\r\n  buttonState = digitalRead(buttonPin);\r\n  ValueA0 = analogRead(A0);\r\n  readCounter();\r\n if (Serial.available() > 0) {\r\n   delay(2);\r\n    RxCmd[0] = Serial.read(); \r\n    if (RxCmd[0] == '<') {\r\n        int i =1;\r\n      while(Serial.available()) {\r\n        delay(1);\r\n        RxCmd[i] = Serial.read();\r\n        //if (RxCmd[i]>127 || i>7)      break;                                    //Communication error\r\n        if (RxCmd[i]== '>') {\r\n          break;                                                                  //Read all data \r\n        }\r\n        i++;\r\n        \r\n      }\r\n    }\r\n  }\r\n  if ( RxCmd[1] == 's' ){\r\n    Serial.write(myData.charBuff,14);\r\n  }\r\n  if (RxCmd[1] == 'v'){\r\n    setgain((int)RxCmd[2]);\r\n    //Serial.println( aktgain );\r\n  }\r\n}
", "tutorial_published": "2020-09-14T12:00:35Z", "tutorial_series": 1, "tutorial_slug": "ads1115"}}, {"model": "chemie.keller", "pk": 347, "fields": {"name": "Ascorbinsaeure", "menge": 100.0, "einheit": "g", "kiste": 0, "nr": 0, "info": ""}}, {"model": "chemie.keller", "pk": 348, "fields": {"name": "Dichlormethan", "menge": 750.0, "einheit": "ml", "kiste": 10, "nr": 6, "info": ""}}, {"model": "chemie.keller", "pk": 349, "fields": {"name": "Kaliumhydroxid", "menge": 1000.0, "einheit": "g", "kiste": 5, "nr": 4, "info": ""}}, {"model": "chemie.keller", "pk": 350, "fields": {"name": "Natriumthiosulfat", "menge": 1000.0, "einheit": "g", "kiste": 5, "nr": 6, "info": ""}}, {"model": "chemie.keller", "pk": 351, "fields": {"name": "Natriumdisulfit", "menge": 1000.0, "einheit": "g", "kiste": 9, "nr": 4, "info": "Natriumdisulfit, (Na2S2O5) auch Natriumpyrosulfit oder Natriummetabisulfit genannt, ist ein Natriumsalz der in freier Form nicht stabilen Dischwefligen S\u00e4ure.\r\n\r\nNatriumdisulfit kann namentlich leicht mit Natriumbisulfit verwechselt werden, einem \u00e4lteren aber noch gebr\u00e4uchlichen Namen f\u00fcr Natriumhydrogensulfit."}}, {"model": "chemie.keller", "pk": 352, "fields": {"name": "Natriumpersulfat", "menge": 600.0, "einheit": "g", "kiste": 9, "nr": 2, "info": ""}}, {"model": "chemie.keller", "pk": 353, "fields": {"name": "Natriumhydrogensulfat", "menge": 250.0, "einheit": "g", "kiste": 12, "nr": 4, "info": ""}}, {"model": "chemie.keller", "pk": 354, "fields": {"name": "2-Naphthol", "menge": 2.5, "einheit": "g", "kiste": 1, "nr": 21, "info": ""}}, {"model": "chemie.keller", "pk": 355, "fields": {"name": "2-Phenylphenol Natriumsalz Tetrahydrat", "menge": 100.0, "einheit": "g", "kiste": 2, "nr": 2, "info": "The primary use of 2-phenylphenol is as an agricultural fungicide. It is generally applied post-harvest. It is a fungicide used for waxing citrus fruits. It is no longer a permitted food additive in the European Union, but is still allowed as a post harvest treatment in 4 EU countries."}}, {"model": "chemie.keller", "pk": 356, "fields": {"name": "3-Nitobenzaldehyd", "menge": 20.0, "einheit": "g", "kiste": 6, "nr": 7, "info": "Die Nitrobenzaldehyde sind leicht gelbe kristalline Feststoffe, die zum Teil bittermandelartig riechen. Der 4-Nitrobenzaldehyd, der die h\u00f6chste Symmetrie aufweist, besitzt den h\u00f6chsten Schmelzpunkt.\r\n\r\nIm basischen Medium disproportionieren in einer Cannizzaro-Reaktion die Nitrobenzaldehyde zu Nitrobenzoes\u00e4uren und Nitrobenzylalkoholen."}}, {"model": "chemie.keller", "pk": 358, "fields": {"name": "3,5-Dinitrobenzoylchlorid", "menge": 20.0, "einheit": "g", "kiste": 6, "nr": 8, "info": "Das 3,5-Dinitrobenzoylchlorid findet vor allem Verwendung in der Analyse organischer Substanzen durch Derivatisierung. Es wird den F\u00e4llen eingesetzt, wenn ein fraglicher Stoff empfindlicher ist und eine direkte Veresterung mit 3,5-Dinitrobenzoes\u00e4ure in Gegenwart von Schwefels\u00e4ure nicht m\u00f6glich ist. In der Regel erfolgt die Umsetzung in Pyridin, um das freiwerdende HCl sofort zu binden.[6] Auf diese Weise sind z. B. auch Derivate der Aminos\u00e4uren zug\u00e4nglich.[7][4]"}}, {"model": "chemie.keller", "pk": 359, "fields": {"name": "4-Aminophenol", "menge": 9.0, "einheit": "g", "kiste": 1, "nr": 8, "info": ""}}, {"model": "chemie.keller", "pk": 361, "fields": {"name": "Aceton", "menge": 100.0, "einheit": "ml", "kiste": 5, "nr": 3, "info": "metall Flasche"}}, {"model": "chemie.keller", "pk": 362, "fields": {"name": "Acetonitril", "menge": 2000.0, "einheit": "ml", "kiste": 9, "nr": 1, "info": ""}}, {"model": "chemie.keller", "pk": 363, "fields": {"name": "Agarose Standard", "menge": 100.0, "einheit": "g", "kiste": 3, "nr": 19, "info": ""}}, {"model": "chemie.keller", "pk": 364, "fields": {"name": "Aktivkohle", "menge": 100.0, "einheit": "g", "kiste": 6, "nr": 4, "info": ""}}, {"model": "chemie.keller", "pk": 365, "fields": {"name": "Aktivkohle granulat", "menge": 500.0, "einheit": "g", "kiste": 13, "nr": 7, "info": ""}}, {"model": "chemie.keller", "pk": 366, "fields": {"name": "Aktivkohle fein", "menge": 1000.0, "einheit": "g", "kiste": 8, "nr": 1, "info": ""}}, {"model": "chemie.keller", "pk": 367, "fields": {"name": "Alizarin-3-methylamin-N,N-diessigsaeure", "menge": 5.0, "einheit": "g", "kiste": 3, "nr": 5, "info": "Ein quanitativer Nachweis f\u00fcr Fluorid w\u00e4re:\r\n- spektralphotometrische Bestimmung mit Alizarin-3-methylamin-N,N-diessigs\u00e4ure-Dihydrat"}}, {"model": "chemie.keller", "pk": 368, "fields": {"name": "Ameisensaeure", "menge": 80.0, "einheit": "g", "kiste": 1, "nr": 9, "info": ""}}, {"model": "chemie.keller", "pk": 369, "fields": {"name": "Ammoniak 10 %", "menge": 1000.0, "einheit": "ml", "kiste": 4, "nr": 9, "info": ""}}, {"model": "chemie.keller", "pk": 370, "fields": {"name": "Ammoniumcarbonat", "menge": 20.0, "einheit": "g", "kiste": 6, "nr": 9, "info": ""}}, {"model": "chemie.keller", "pk": 371, "fields": {"name": "Ammoniumchlorid", "menge": 250.0, "einheit": "g", "kiste": 2, "nr": 1, "info": ""}}, {"model": "chemie.keller", "pk": 372, "fields": {"name": "Ammoniumheptamolybdat", "menge": 25.0, "einheit": "g", "kiste": 1, "nr": 12, "info": ""}}, {"model": "chemie.keller", "pk": 373, "fields": {"name": "Ammoniumhydrogencarbonat", "menge": 80.0, "einheit": "g", "kiste": 2, "nr": 7, "info": ""}}, {"model": "chemie.keller", "pk": 374, "fields": {"name": "Ammoniumthiocyanat", "menge": 250.0, "einheit": "g", "kiste": 5, "nr": 2, "info": ""}}, {"model": "chemie.keller", "pk": 375, "fields": {"name": "Anthracen", "menge": 3.0, "einheit": "g", "kiste": 1, "nr": 20, "info": ""}}, {"model": "chemie.keller", "pk": 376, "fields": {"name": "Benzin", "menge": 300.0, "einheit": "ml", "kiste": 0, "nr": 0, "info": ""}}, {"model": "chemie.keller", "pk": 377, "fields": {"name": "Benzoesaeure", "menge": 100.0, "einheit": "g", "kiste": 2, "nr": 4, "info": ""}}, {"model": "chemie.keller", "pk": 378, "fields": {"name": "Benzol", "menge": 20.0, "einheit": "ml", "kiste": 1, "nr": 5, "info": "-"}}, {"model": "chemie.keller", "pk": 379, "fields": {"name": "Benzol", "menge": 5.0, "einheit": "ml", "kiste": 1, "nr": 6, "info": "-"}}, {"model": "chemie.keller", "pk": 380, "fields": {"name": "Blei", "menge": 500.0, "einheit": "g", "kiste": 8, "nr": 4, "info": ""}}, {"model": "chemie.keller", "pk": 381, "fields": {"name": "Bromcresolgruen", "menge": 1.0, "einheit": "g", "kiste": 3, "nr": 7, "info": "Das Sulton hat ein Anregungsmaximum bei 423 nm in Methanol und das in Wasser gel\u00f6ste Natriumsalz bei 617 nm.\r\n\r\nBromkresolgr\u00fcn schl\u00e4gt im pH-Bereich 3,8\u20135,4 von gelb \u00fcber gr\u00fcn nach tiefblau um.[2] Der pKs-Wert liegt bei 4,90.[5] In der Literatur wird der pKs-Wert auch bei 4,6 angegeben.[6]\r\n\r\nBei der S\u00e4ure-Base-Titration wird es als Indikator im sauren Bereich verwendet. Au\u00dferdem zeigt es beim Ammoniumnachweis nach Kjeldahl und bei der Bestimmung der Carbonath\u00e4rte durch Titration mit Salzs\u00e4ure den Umschlagpunkt an. Es ist als F\u00e4rbemittel f\u00fcr Kosmetika zugelassen und wird auch als Farbstoffmarker bei der Agarose-Gelelektrophorese von DNA verwendet.\r\n\r\n1958 fand Bromkresolgr\u00fcn erste Anwendung bei Untersuchungen der Permeabilit\u00e4t der Hirn-Blut-Schranke. Auch findet es als selektiver Inhibitor des Anionentransporters in der Niere Verwendung.\r\n\r\nEs wird zudem als Spr\u00fchreagenz zur Detektion bei der D\u00fcnnschichtchromatographie von organischen S\u00e4uren verwendet.[7]"}}, {"model": "chemie.keller", "pk": 382, "fields": {"name": "Buttersaeureethylester", "menge": 40.0, "einheit": "ml", "kiste": 1, "nr": 7, "info": ""}}, {"model": "chemie.keller", "pk": 383, "fields": {"name": "Butylmethylester MTBE", "menge": 500.0, "einheit": "ml", "kiste": 13, "nr": 3, "info": ""}}, {"model": "chemie.keller", "pk": 384, "fields": {"name": "Calciumcarbonat", "menge": 1000.0, "einheit": "g", "kiste": 13, "nr": 2, "info": ""}}, {"model": "chemie.keller", "pk": 385, "fields": {"name": "Calciumchlorid ", "menge": 250.0, "einheit": "g", "kiste": 4, "nr": 12, "info": ""}}, {"model": "chemie.keller", "pk": 386, "fields": {"name": "Calciumchlorid zum Trocknen", "menge": 1350.0, "einheit": "g", "kiste": 13, "nr": 8, "info": ""}}, {"model": "chemie.keller", "pk": 387, "fields": {"name": "Calciumhydroxid", "menge": 2500.0, "einheit": "g", "kiste": 11, "nr": 2, "info": ""}}, {"model": "chemie.keller", "pk": 388, "fields": {"name": "Calciumhydroxid", "menge": 50.0, "einheit": "g", "kiste": 2, "nr": 9, "info": ""}}, {"model": "chemie.keller", "pk": 389, "fields": {"name": "Chloroform", "menge": 250.0, "einheit": "ml", "kiste": 6, "nr": 1, "info": ""}}, {"model": "chemie.keller", "pk": 390, "fields": {"name": "Chromoxidgruen", "menge": 30.0, "einheit": "g", "kiste": 3, "nr": 15, "info": ""}}, {"model": "chemie.keller", "pk": 391, "fields": {"name": "Coffein", "menge": 25.0, "einheit": "g", "kiste": 1, "nr": 17, "info": ""}}, {"model": "chemie.keller", "pk": 392, "fields": {"name": "Di-Natriumhydrogenphosphat Dodekahydrat", "menge": 100.0, "einheit": "g", "kiste": 2, "nr": 6, "info": ""}}, {"model": "chemie.keller", "pk": 393, "fields": {"name": "Diethylenglcol", "menge": 400.0, "einheit": "ml", "kiste": 10, "nr": 4, "info": ""}}, {"model": "chemie.keller", "pk": 394, "fields": {"name": "Dimethylsulfoxid", "menge": 500.0, "einheit": "ml", "kiste": 10, "nr": 1, "info": ""}}, {"model": "chemie.keller", "pk": 395, "fields": {"name": "Dithizon", "menge": 5.0, "einheit": "g", "kiste": 3, "nr": 4, "info": "Dithizon bildet mit vielen Schwermetallionen stabile Komplexe, die in Wasser unl\u00f6slich sind, sich aber in Tetrachlorkohlenstoff l\u00f6sen. Die L\u00f6sungen dieser Dithizonate besitzen eine charakteristische F\u00e4rbung:\r\nMetallion X \tFarbe \tStrukturformel\r\nFe, Mn, Cu, Co, Ni \tviolett \tStrukturformel des Metalldithizonats\r\nBi, Sn, Cd, Zn, Pb \trot\r\nAg, Hg \tgelb\r\n\r\nSie lassen sich auf Grund dieser F\u00e4rbung und der festen St\u00f6chiometrie auf colorimetrischen oder fotometrischen Wege qualitativ und quantitativ bestimmen."}}, {"model": "chemie.keller", "pk": 396, "fields": {"name": "EDTA-Na2 2H20", "menge": 1000.0, "einheit": "g", "kiste": 4, "nr": 7, "info": ""}}, {"model": "chemie.keller", "pk": 397, "fields": {"name": "Eisen-2-sulfat Heptahydrat", "menge": 1000.0, "einheit": "g", "kiste": 8, "nr": 6, "info": ""}}, {"model": "chemie.keller", "pk": 398, "fields": {"name": "Eisen-2-sulfat Heptahydrat", "menge": 100.0, "einheit": "g", "kiste": 2, "nr": 3, "info": ""}}, {"model": "chemie.keller", "pk": 399, "fields": {"name": "Eisen(III)chlorid Hexahydrat", "menge": 250.0, "einheit": "g", "kiste": 2, "nr": 10, "info": ""}}, {"model": "chemie.keller", "pk": 400, "fields": {"name": "Eosin", "menge": 3.0, "einheit": "g", "kiste": 6, "nr": 16, "info": ""}}, {"model": "chemie.keller", "pk": 401, "fields": {"name": "Eriochromschwarz T", "menge": 40.0, "einheit": "g", "kiste": 3, "nr": 1, "info": "ein Azofarbstoff, der als Indikator in der Komplexometrie und bei der Wasserh\u00e4rtebestimmung eingesetzt wird. Die intensive Farbe wird durch die Azogruppe bedingt und die Wasserl\u00f6slichkeit durch die Sulfons\u00e4uregruppe."}}, {"model": "chemie.keller", "pk": 402, "fields": {"name": "Essigsaeure > 80 %", "menge": 50.0, "einheit": "ml", "kiste": 0, "nr": 0, "info": ""}}, {"model": "chemie.keller", "pk": 403, "fields": {"name": "Essigsaeure > 99,8", "menge": 250.0, "einheit": "ml", "kiste": 4, "nr": 1, "info": ""}}, {"model": "chemie.keller", "pk": 405, "fields": {"name": "Ethylacetat", "menge": 300.0, "einheit": "ml", "kiste": 4, "nr": 1, "info": "Essigs\u00e4ureethylester ist ein vielseitig einsetzbares L\u00f6semittel. Essigs\u00e4ureethylester wird als Extraktionsmittel benutzt, z. B. zur Entkoffeinierung von Kaffeebohnen oder zur Gewinnung von nat\u00fcrlichen Aromastoffen f\u00fcr die Aromatisierung von Limonaden, Bonbons und Arzneimitteln. In Rum und einigen anderen Spirituosen ist es von Natur aus in geringen Mengen vorhanden. Auch im Wein kommt es in geringen Mengen vor, besonders wenn die Trauben durch Hagel oder F\u00e4ulnis gesch\u00e4digt wurden; es verursacht dann einen L\u00f6sungsmittelton im Wein."}}, {"model": "chemie.keller", "pk": 406, "fields": {"name": "Ethylmethylketon", "menge": 350.0, "einheit": "ml", "kiste": 10, "nr": 3, "info": "3 Flaschen"}}, {"model": "chemie.keller", "pk": 407, "fields": {"name": "Fehling 1", "menge": 100.0, "einheit": "ml", "kiste": 0, "nr": 0, "info": ""}}, {"model": "chemie.keller", "pk": 408, "fields": {"name": "Fluoreszein", "menge": 3.0, "einheit": "g", "kiste": 3, "nr": 8, "info": "Fluorescein wird in der analytischen Chemie als Indikator verwendet. Dar\u00fcber hinaus dient es zum Nachweis von Bromiden, zur Quellenf\u00e4rbung und zur F\u00e4rbung von Seifen und Badeextrakten/-salzen. Weiterhin ist Fluorescein ein Fluoreszenzfarbstoff, der bei Anregung mit blauem Licht (Absorptionsmaximum bei einer Wellenl\u00e4nge von 496 nm, z. B. durch einen Argon-Ionen-Laser) gr\u00fcnes Licht (Wellenl\u00e4nge ca. 520 bis 530 nm) abgibt. Verwandte Reaktivfarbstoffe wie z. B. Fluoresceinisothiocyanat (FITC) k\u00f6nnen mit verschiedenen Antik\u00f6rpern (Immunglobulinen) gekoppelt werden und so f\u00fcr die Fluoreszenzmikroskopie oder Durchflusszytometrie eingesetzt werden. Damit k\u00f6nnen in Fl\u00fcssigkeiten, Zellen oder Geweben dann spezifische Oberfl\u00e4cheneigenschaften (Antigene), z. B. auch von Krankheitserregern, nachgewiesen werden. Man bezeichnet diese Arbeitstechnik als direkte Immunfluoreszenz. Weiterhin wird Fluorescein als F\u00e4rbemittel in der Augenheilkunde bei der Fluoresceinangiographie und der Applanationstonometrie verwendet.[3]\r\n\r\nFluorescein hat eine hohe Quantenausbeute von bis zu 93 %, seine N\u00fctzlichkeit zur Fluoreszenzmarkierung wird aber durch eine Reihe von Nachteilen eingeschr\u00e4nkt: Die Intensit\u00e4t der Fluoreszenz h\u00e4ngt vom pH-Wert ab und f\u00e4llt stark unterhalb von pH 7 (pKs \u2248 6,4). Unter Beleuchtung geht au\u00dferdem die Fluoreszenz schnell zur\u00fcck (starkes Photobleichen). Das Fluoreszenzmaximum ist nicht sehr scharf, die dazugeh\u00f6rige Absorptionsbande recht breit."}}, {"model": "chemie.keller", "pk": 409, "fields": {"name": "Gallussaeure", "menge": 9.0, "einheit": "g", "kiste": 6, "nr": 6, "info": "Beim Erhitzen von Galluss\u00e4ure entsteht unter Kohlendioxid-Abspaltung (Decarboxylierung) das Pyrogallol (1,2,3-Trihydroxybenzol)."}}, {"model": "chemie.keller", "pk": 410, "fields": {"name": "gamma Amino Buttersaeure", "menge": 200.0, "einheit": "g", "kiste": 3, "nr": 10, "info": ""}}, {"model": "chemie.keller", "pk": 411, "fields": {"name": "Gelantine", "menge": 10.0, "einheit": "g", "kiste": 12, "nr": 6, "info": ""}}, {"model": "chemie.keller", "pk": 413, "fields": {"name": "Glyzerin", "menge": 30.0, "einheit": "ml", "kiste": 12, "nr": 2, "info": ""}}, {"model": "chemie.keller", "pk": 414, "fields": {"name": "Harnstoff", "menge": 1000.0, "einheit": "g", "kiste": 8, "nr": 2, "info": ""}}, {"model": "chemie.keller", "pk": 415, "fields": {"name": "Hydrochinon", "menge": 5.0, "einheit": "g", "kiste": 1, "nr": 0, "info": ""}}, {"model": "chemie.keller", "pk": 416, "fields": {"name": "Iod", "menge": 80.0, "einheit": "g", "kiste": 6, "nr": 17, "info": ""}}, {"model": "chemie.keller", "pk": 417, "fields": {"name": "Isopropanol", "menge": 700.0, "einheit": "ml", "kiste": 13, "nr": 11, "info": ""}}, {"model": "chemie.keller", "pk": 418, "fields": {"name": "Kaliumalaun", "menge": 90.0, "einheit": "g", "kiste": 0, "nr": 0, "info": ""}}, {"model": "chemie.keller", "pk": 419, "fields": {"name": "Kaliumcarbonat", "menge": 1000.0, "einheit": "g", "kiste": 8, "nr": 7, "info": ""}}, {"model": "chemie.keller", "pk": 421, "fields": {"name": "Kaliumchlorid", "menge": 200.0, "einheit": "g", "kiste": 1, "nr": 10, "info": ""}}, {"model": "chemie.keller", "pk": 422, "fields": {"name": "Kaliumhydrogentartrat", "menge": 100.0, "einheit": "g", "kiste": 6, "nr": 20, "info": ""}}, {"model": "chemie.keller", "pk": 423, "fields": {"name": "Kaliumjodid", "menge": 5.0, "einheit": "g", "kiste": 1, "nr": 11, "info": "reste"}}, {"model": "chemie.keller", "pk": 424, "fields": {"name": "Kaliumnatriumtartrat-Tetrahydrat", "menge": 250.0, "einheit": "g", "kiste": 1, "nr": 16, "info": ""}}, {"model": "chemie.keller", "pk": 425, "fields": {"name": "Kaliumrhodanid", "menge": 40.0, "einheit": "g", "kiste": 1, "nr": 2, "info": ""}}, {"model": "chemie.keller", "pk": 426, "fields": {"name": "klare Bruehe", "menge": 200.0, "einheit": "g", "kiste": 4, "nr": 6, "info": ""}}, {"model": "chemie.keller", "pk": 427, "fields": {"name": "Kristallviolett", "menge": 10.0, "einheit": "g", "kiste": 3, "nr": 3, "info": "Kristallviolett findet Verwendung als Farbstoff in Farbb\u00e4ndern, als Kristallviolettlacton in Durchschreibpapieren[5] oder in Kopierstiften und vor allem in der mikroskopischen F\u00e4rbetechnik als Hauptbestandteil der Gram-F\u00e4rbung, mit deren Hilfe sich Bakterien in zwei Klassen einteilen lassen. Weiterhin wird es beim Plaque-Assay eingesetzt und gelegentlich auch im Probenpuffer f\u00fcr eine Agarose-Gelelektrophorese von DNA, wenn eine Gelextraktion folgt.\r\n\r\nKristallviolett wird als pH-Indikator bei der wasserfreien Gehaltsbestimmung von schwachen Basen eingesetzt. S\u00e4uert man eine L\u00f6sung von Kristallviolett leicht an, erfolgt ein Farbumschlag von Violett nach Gr\u00fcn, weil das Auxochrom des dritten Kernes seine elektronenliefernde F\u00e4higkeit und damit seine Farbrelevanz durch Addition eines Protons verliert. Ein st\u00e4rkeres Ans\u00e4uern f\u00fchrt zu einer gelben Verbindung, bei der ein weiteres Auxochrom durch Protonierung deaktiviert wird.\r\n\r\nMedizinisch wurde Kristallviolett lange Zeit, bis zur Entdeckung anderer wirksamer Antimykotika, zur Behandlung von Hautpilzerkrankungen (Mykosen), insbesondere Fu\u00dfpilzen, sowie von Mundsoor verwendet. Dazu wird es als Pyoktaninl\u00f6sung (0,5\u20132 %) aufgepinselt. In der westlichen Welt wird es heute wegen der Einf\u00e4rbung der Haut fast nur noch in der Naturheilkunde verwendet. In der p\u00e4diatrischen Dermatologie findet es noch Anwendung bei Herden des atopischen Ekzems, wenn dieses durch grampositive Bakterien oder Dermatophyten ausgel\u00f6st wird. Nach Empfehlungen der WHO war Kristallviolett bis ins Jahr 2011 als essenzielles Medikament einzustufen.[6]\r\n\r\nIntraven\u00f6s wird es eingesetzt zur Therapie von sekund\u00e4ren Lungenmykosen. Die fungistatische Wirkung von Kristallviolett ist, je nach Mykosenart, um den Faktor 10 bis 100 st\u00e4rker als die des stark verbreiteten Clotrimazol. \u00dcbertroffen wird es von Amphotericin B, das jedoch im Vergleich stark toxisch ist. Daher wird Kristallviolett h\u00e4ufig bei immungeschw\u00e4chten Patienten eingesetzt.\r\n\r\nKristallviolett darf nicht ins Auge gelangen, da es dort schwere Sch\u00e4den verursachen kann. Ferner ist bei \u00e4u\u00dferlicher Anwendung eine \u00dcberdosierung zu vermeiden, da Kristallviolett, ebenso wie die verwandten und \u00e4hnlich verwendeten Triphenylmethanfarbstoffe Malachitgr\u00fcn und Brillantgr\u00fcn, zelltoxisch auf die Haut wirkt."}}, {"model": "chemie.keller", "pk": 428, "fields": {"name": "Kuper- + Zinkacetat", "menge": 5.0, "einheit": "g", "kiste": 0, "nr": 0, "info": ""}}, {"model": "chemie.keller", "pk": 429, "fields": {"name": "Kupfersulfat", "menge": 1000.0, "einheit": "g", "kiste": 4, "nr": 11, "info": ""}}, {"model": "chemie.keller", "pk": 430, "fields": {"name": "Kupfersulfat wasserfrei", "menge": 200.0, "einheit": "g", "kiste": 4, "nr": 18, "info": ""}}, {"model": "chemie.keller", "pk": 431, "fields": {"name": "L-Argininmonohydrochlorid", "menge": 0.1, "einheit": "g", "kiste": 6, "nr": 3, "info": ""}}, {"model": "chemie.keller", "pk": 432, "fields": {"name": "L-Asparaginsaeure", "menge": 0.1, "einheit": "g", "kiste": 6, "nr": 3, "info": ""}}, {"model": "chemie.keller", "pk": 433, "fields": {"name": "L-Histidinmonohydrochlorid", "menge": 0.1, "einheit": "g", "kiste": 6, "nr": 3, "info": ""}}, {"model": "chemie.keller", "pk": 434, "fields": {"name": "L-Lysinmonohydrochlorid", "menge": 0.1, "einheit": "g", "kiste": 6, "nr": 3, "info": ""}}, {"model": "chemie.keller", "pk": 435, "fields": {"name": "l-Tyrosin", "menge": 0.1, "einheit": "g", "kiste": 6, "nr": 3, "info": ""}}, {"model": "chemie.keller", "pk": 436, "fields": {"name": "Lanthannitrat", "menge": 5.0, "einheit": "g", "kiste": 1, "nr": 0, "info": ""}}, {"model": "chemie.keller", "pk": 437, "fields": {"name": "Luminol", "menge": 5.0, "einheit": "g", "kiste": 3, "nr": 6, "info": ""}}, {"model": "chemie.keller", "pk": 438, "fields": {"name": "Magnesiumsulfat", "menge": 1000.0, "einheit": "g", "kiste": 5, "nr": 9, "info": ""}}, {"model": "chemie.keller", "pk": 439, "fields": {"name": "Mangan(IV)oxid", "menge": 100.0, "einheit": "g", "kiste": 3, "nr": 9, "info": ""}}, {"model": "chemie.keller", "pk": 440, "fields": {"name": "Natriumchlorid", "menge": 250.0, "einheit": "g", "kiste": 1, "nr": 12, "info": "ok"}}, {"model": "chemie.keller", "pk": 441, "fields": {"name": "Methylenblau", "menge": 10.0, "einheit": "g", "kiste": 12, "nr": 8, "info": ""}}, {"model": "chemie.keller", "pk": 442, "fields": {"name": "Molekularsieb 4A", "menge": 250.0, "einheit": "g", "kiste": 4, "nr": 3, "info": ""}}, {"model": "chemie.keller", "pk": 443, "fields": {"name": "n-Heptan", "menge": 500.0, "einheit": "ml", "kiste": 9, "nr": 8, "info": ""}}, {"model": "chemie.keller", "pk": 444, "fields": {"name": "Naphtalin", "menge": 100.0, "einheit": "g", "kiste": 1, "nr": 18, "info": ""}}, {"model": "chemie.keller", "pk": 445, "fields": {"name": "Natriumacetat", "menge": 20.0, "einheit": "g", "kiste": 0, "nr": 0, "info": ""}}, {"model": "chemie.keller", "pk": 446, "fields": {"name": "Natriumbenzoat", "menge": 500.0, "einheit": "g", "kiste": 11, "nr": 3, "info": ""}}, {"model": "chemie.keller", "pk": 447, "fields": {"name": "Natriumbismutat", "menge": 40.0, "einheit": "g", "kiste": 1, "nr": 3, "info": ""}}, {"model": "chemie.keller", "pk": 448, "fields": {"name": "Natriumbromid", "menge": 250.0, "einheit": "g", "kiste": 12, "nr": 3, "info": ""}}, {"model": "chemie.keller", "pk": 449, "fields": {"name": "Natriumdihydrogenphosphat Dihydrat", "menge": 100.0, "einheit": "g", "kiste": 2, "nr": 5, "info": ""}}, {"model": "chemie.keller", "pk": 450, "fields": {"name": "Natriumdithionit", "menge": 1000.0, "einheit": "g", "kiste": 13, "nr": 1, "info": ""}}, {"model": "chemie.keller", "pk": 451, "fields": {"name": "Natriumhydroxid", "menge": 500.0, "einheit": "g", "kiste": 9, "nr": 3, "info": "-"}}, {"model": "chemie.keller", "pk": 452, "fields": {"name": "Natriumhydroxid", "menge": 400.0, "einheit": "g", "kiste": 9, "nr": 3, "info": ""}}, {"model": "chemie.keller", "pk": 453, "fields": {"name": "Natriumnitrat", "menge": 100.0, "einheit": "g", "kiste": 4, "nr": 10, "info": ""}}, {"model": "chemie.keller", "pk": 454, "fields": {"name": "Natriumnitrit", "menge": 80.0, "einheit": "g", "kiste": 1, "nr": 15, "info": ""}}, {"model": "chemie.keller", "pk": 455, "fields": {"name": "Natriumsulfit wasserfrei", "menge": 1000.0, "einheit": "g", "kiste": 4, "nr": 8, "info": ""}}, {"model": "chemie.keller", "pk": 456, "fields": {"name": "Natriumthiosulfatlsg 0.1N Standart", "menge": 1000.0, "einheit": "ml", "kiste": 4, "nr": 5, "info": ""}}, {"model": "chemie.keller", "pk": 457, "fields": {"name": "Natriumthiosulfatlsg 2m", "menge": 500.0, "einheit": "ml", "kiste": 8, "nr": 3, "info": ""}}, {"model": "chemie.keller", "pk": 458, "fields": {"name": "Natronlauge 1 molar", "menge": 80.0, "einheit": "ml", "kiste": 0, "nr": 0, "info": ""}}, {"model": "chemie.keller", "pk": 459, "fields": {"name": "Natronlauge 10 %", "menge": 20.0, "einheit": "ml", "kiste": 0, "nr": 0, "info": ""}}, {"model": "chemie.keller", "pk": 460, "fields": {"name": "Nickelblech", "menge": 12.0, "einheit": "g", "kiste": 3, "nr": 21, "info": ""}}, {"model": "chemie.keller", "pk": 461, "fields": {"name": "Ninhydrin", "menge": 10.0, "einheit": "g", "kiste": 6, "nr": 14, "info": ""}}, {"model": "chemie.keller", "pk": 462, "fields": {"name": "Oxalsaeure", "menge": 50.0, "einheit": "g", "kiste": 6, "nr": 12, "info": ""}}, {"model": "chemie.keller", "pk": 463, "fields": {"name": "Oxidbraun", "menge": 30.0, "einheit": "g", "kiste": 3, "nr": 14, "info": "Eisenoxidbraun bezeichnet meist kein definiertes Pigment, sondern eine Mischung aus Eisenoxidgelb, -rot und -schwarz.[2]"}}, {"model": "chemie.keller", "pk": 464, "fields": {"name": "Oxidgelb", "menge": 30.0, "einheit": "g", "kiste": 3, "nr": 18, "info": ""}}, {"model": "chemie.keller", "pk": 465, "fields": {"name": "Oxidgruen", "menge": 30.0, "einheit": "g", "kiste": 3, "nr": 11, "info": ""}}, {"model": "chemie.keller", "pk": 466, "fields": {"name": "Oxidrot", "menge": 30.0, "einheit": "g", "kiste": 3, "nr": 12, "info": ""}}, {"model": "chemie.keller", "pk": 467, "fields": {"name": "Oxidrot mittel", "menge": 30.0, "einheit": "g", "kiste": 3, "nr": 13, "info": ""}}, {"model": "chemie.keller", "pk": 468, "fields": {"name": "Oxidschwarz", "menge": 30.0, "einheit": "g", "kiste": 3, "nr": 16, "info": ""}}, {"model": "chemie.keller", "pk": 469, "fields": {"name": "Petrolether 80-100", "menge": 100.0, "einheit": "ml", "kiste": 6, "nr": 2, "info": ""}}, {"model": "chemie.keller", "pk": 470, "fields": {"name": "Phosphor rot", "menge": 50.0, "einheit": "g", "kiste": 6, "nr": 13, "info": ""}}, {"model": "chemie.keller", "pk": 471, "fields": {"name": "Phosphorsaeure 85%", "menge": 250.0, "einheit": "ml", "kiste": 4, "nr": 2, "info": ""}}, {"model": "chemie.keller", "pk": 472, "fields": {"name": "Phthalsaeure", "menge": 250.0, "einheit": "g", "kiste": 12, "nr": 5, "info": ""}}, {"model": "chemie.keller", "pk": 473, "fields": {"name": "Pthalsaeureanhydrid", "menge": 500.0, "einheit": "g", "kiste": 10, "nr": 9, "info": ""}}, {"model": "chemie.keller", "pk": 474, "fields": {"name": "Resorcin", "menge": 40.0, "einheit": "g", "kiste": 6, "nr": 18, "info": ""}}, {"model": "chemie.keller", "pk": 475, "fields": {"name": "Rhodamin B", "menge": 10.0, "einheit": "g", "kiste": 6, "nr": 5, "info": "Das Absorptionsmaximum von Rhodamin B liegt zwischen 542 und 554 nm.[2] Das Lumineszenzspektrum einer L\u00f6sung h\u00e4ngt von Faktoren, wie dem L\u00f6sungsmittel, dem pH-Wert und insbesondere der Temperatur[8] ab. Die Lumineszenz einer neutralen, w\u00e4ssrigen L\u00f6sung hat sein Maximum bei etwa 600 nm."}}, {"model": "chemie.keller", "pk": 476, "fields": {"name": "rotes Blutlaugensalz", "menge": 250.0, "einheit": "g", "kiste": 4, "nr": 17, "info": ""}}, {"model": "chemie.keller", "pk": 477, "fields": {"name": "Salizylsaeure", "menge": 200.0, "einheit": "g", "kiste": 5, "nr": 5, "info": ""}}, {"model": "chemie.keller", "pk": 478, "fields": {"name": "Salpetersaeure 65 %", "menge": 800.0, "einheit": "ml", "kiste": 7, "nr": 3, "info": "-"}}, {"model": "chemie.keller", "pk": 479, "fields": {"name": "Salzsaeure 30-35%", "menge": 5000.0, "einheit": "ml", "kiste": 7, "nr": 1, "info": ""}}, {"model": "chemie.keller", "pk": 480, "fields": {"name": "Schwefel", "menge": 1000.0, "einheit": "g", "kiste": 8, "nr": 5, "info": ""}}, {"model": "chemie.keller", "pk": 481, "fields": {"name": "Schwefelsaeure 96%", "menge": 800.0, "einheit": "ml", "kiste": 7, "nr": 2, "info": "\u00e4lter"}}, {"model": "chemie.keller", "pk": 482, "fields": {"name": "ShellSol D 70", "menge": 600.0, "einheit": "ml", "kiste": 11, "nr": 4, "info": ""}}, {"model": "chemie.keller", "pk": 483, "fields": {"name": "Silbertritrat", "menge": 5.0, "einheit": "g", "kiste": 12, "nr": 1, "info": ""}}, {"model": "chemie.keller", "pk": 484, "fields": {"name": "Silicagel 60", "menge": 1000.0, "einheit": "g", "kiste": 5, "nr": 12, "info": "for column chromatographie"}}, {"model": "chemie.keller", "pk": 485, "fields": {"name": "Soda entwaessert", "menge": 500.0, "einheit": "g", "kiste": 10, "nr": 7, "info": ""}}, {"model": "chemie.keller", "pk": 486, "fields": {"name": "Sudan III", "menge": 3.0, "einheit": "g", "kiste": 6, "nr": 15, "info": ""}}, {"model": "chemie.keller", "pk": 487, "fields": {"name": "Sulfanilsaeure", "menge": 30.0, "einheit": "g", "kiste": 3, "nr": 2, "info": "Sulfanils\u00e4ure wird zur Herstellung von Lunges Reagenz f\u00fcr den Nitrit- bzw. Nitratnachweis ben\u00f6tigt."}}, {"model": "chemie.keller", "pk": 488, "fields": {"name": "tert-Butanol", "menge": 250.0, "einheit": "ml", "kiste": 12, "nr": 7, "info": ""}}, {"model": "chemie.keller", "pk": 489, "fields": {"name": "Theophyllin", "menge": 5.0, "einheit": "g", "kiste": 1, "nr": 14, "info": ""}}, {"model": "chemie.keller", "pk": 490, "fields": {"name": "Thioharnstoff", "menge": 20.0, "einheit": "g", "kiste": 2, "nr": 11, "info": ""}}, {"model": "chemie.keller", "pk": 491, "fields": {"name": "Titangelb", "menge": 2.0, "einheit": "g", "kiste": 6, "nr": 19, "info": ""}}, {"model": "chemie.keller", "pk": 492, "fields": {"name": "Titanweiss", "menge": 30.0, "einheit": "g", "kiste": 3, "nr": 17, "info": ""}}, {"model": "chemie.keller", "pk": 493, "fields": {"name": "Toluol", "menge": 500.0, "einheit": "ml", "kiste": 5, "nr": 7, "info": ""}}, {"model": "chemie.keller", "pk": 494, "fields": {"name": "Trichloressigsaeure", "menge": 30.0, "einheit": "g", "kiste": 6, "nr": 11, "info": ""}}, {"model": "chemie.keller", "pk": 495, "fields": {"name": "Trichlorisocyanursaeure", "menge": 1000.0, "einheit": "g", "kiste": 11, "nr": 5, "info": ""}}, {"model": "chemie.keller", "pk": 496, "fields": {"name": "Triethanolamin", "menge": 100.0, "einheit": "ml", "kiste": 2, "nr": 8, "info": ""}}, {"model": "chemie.keller", "pk": 497, "fields": {"name": "Trypton Pepton", "menge": 250.0, "einheit": "g", "kiste": 4, "nr": 4, "info": ""}}, {"model": "chemie.keller", "pk": 498, "fields": {"name": "Vanadiumpentoxid", "menge": 10.0, "einheit": "g", "kiste": 1, "nr": 4, "info": ""}}, {"model": "chemie.keller", "pk": 499, "fields": {"name": "Vanillin", "menge": 40.0, "einheit": "g", "kiste": 6, "nr": 10, "info": "Vanillin (4-Hydroxy-3-methoxybenzaldehyd, FEMA 3107) ist der Hauptaromastoff in den Kapselfr\u00fcchten der Gew\u00fcrzvanille (Vanilla planifolia) sowie ein naturidentischer Aromastoff. Die organische chemische Verbindung mit der Summenformel C8H8O3 ist ein Derivat des Benzaldehyds mit je einer zus\u00e4tzlichen Hydroxy- und Methoxygruppe."}}, {"model": "chemie.keller", "pk": 501, "fields": {"name": "Wasserstoffsuperoxid ca 30 %", "menge": 250.0, "einheit": "ml", "kiste": 4, "nr": 15, "info": ""}}, {"model": "chemie.keller", "pk": 502, "fields": {"name": "Weinsaeure", "menge": 100.0, "einheit": "g", "kiste": 6, "nr": 20, "info": ""}}, {"model": "chemie.keller", "pk": 503, "fields": {"name": "Zink", "menge": 1000.0, "einheit": "g", "kiste": 4, "nr": 13, "info": ""}}, {"model": "chemie.keller", "pk": 504, "fields": {"name": "Zinngranalien", "menge": 25.0, "einheit": "g", "kiste": 1, "nr": 1, "info": ""}}, {"model": "chemie.keller", "pk": 505, "fields": {"name": "Paraffin", "menge": 300.0, "einheit": "ml", "kiste": 10, "nr": 2, "info": ""}}, {"model": "chemie.keller", "pk": 506, "fields": {"name": "Methanol", "menge": 300.0, "einheit": "ml", "kiste": 10, "nr": 6, "info": ""}}, {"model": "chemie.keller", "pk": 507, "fields": {"name": "Natriumhydrogencarbonat", "menge": 250.0, "einheit": "g", "kiste": 10, "nr": 8, "info": ""}}, {"model": "chemie.keller", "pk": 508, "fields": {"name": "Citronensaeure", "menge": 250.0, "einheit": "g", "kiste": 13, "nr": 4, "info": ""}}, {"model": "chemie.keller", "pk": 509, "fields": {"name": "Magnesium ", "menge": 500.0, "einheit": "g", "kiste": 13, "nr": 5, "info": ""}}, {"model": "chemie.keller", "pk": 510, "fields": {"name": "Natriumhypochlorid 6%", "menge": 200.0, "einheit": "ml", "kiste": 13, "nr": 6, "info": ""}}, {"model": "chemie.keller", "pk": 511, "fields": {"name": "Magnesiumchlorid Hexahydrat", "menge": 250.0, "einheit": "g", "kiste": 3, "nr": 22, "info": "In der Lebensmitteltechnik wird Magnesiumchlorid als S\u00e4ureregulator, Festigungsmittel, Geschmacksverst\u00e4rker, Tr\u00e4gerstoff oder Trennmittel eingesetzt. Es ist in der EU als Lebensmittelzusatzstoff der Nummer E 511 ohne eine H\u00f6chstmengenbeschr\u00e4nkung (quantum satis) f\u00fcr alle f\u00fcr Zusatzstoffe zugelassenen Lebensmittel sowie auch f\u00fcr \u00d6ko-Lebensmittel zugelassen. Es ist der Hauptbestandteil des Gerinnungsmittels Nigari und dient so der Herstellung von Tofu. Es wird weiterhin als Streusalzerg\u00e4nzung verwendet.\r\n\r\nDes Weiteren wird Magnesiumchlorid zur Anhebung der Magnesiumkonzentration in Riffaquarien verwendet.\r\n\r\nEs wird auch zur Staubbindung (Explosionsschutz) im Steinkohlebergbau verwendet.\r\n\r\nZur Bindung von Stra\u00dfenstaub wurde es versuchsweise in einer Antistaubit genannten Lauge verwendet.\r\n\r\nAls Magnesium Oil, eine ges\u00e4ttigte Magnesiumchlorid-Wasser\u2013L\u00f6sung mit \u00f6liger Konsistenz, wird es in konzentrierter Form in der Alternativmedizin zur transdermalen Magnesiumsubstitution (Aufnahme \u00fcber die Haut) verwendet. Hierf\u00fcr fehlen wissenschaftliche Belege.\r\n\r\nMagnesiumchlorid-Hexahydrat kann als thermische Batterie W\u00e4rmeenergie speichern und wieder abgeben.[5]"}}, {"model": "chemie.keller", "pk": 512, "fields": {"name": "Vitamin B6", "menge": 25.0, "einheit": "mg", "kiste": 12, "nr": 10, "info": "9 Ampullen an 2ml 25mg/ml bis bis 7/2022"}}, {"model": "chemie.keller", "pk": 513, "fields": {"name": "Kaliumpermanganatl\u00f6sung 1%", "menge": 100.0, "einheit": "g", "kiste": 12, "nr": 14, "info": "bios 1.1.2018 verwendbar"}}, {"model": "chemie.keller", "pk": 514, "fields": {"name": "Basic Fuchsin", "menge": 5.0, "einheit": "g", "kiste": 12, "nr": 15, "info": "Fuchsin ist ein rotblauer Triphenylmethanfarbstoff, der in Alkohol (Ethanol) gel\u00f6st in der Mikroskopie und Histologie zum F\u00e4rben verwendet wird."}}, {"model": "chemie.keller", "pk": 515, "fields": {"name": "Pyrogallol", "menge": 15.0, "einheit": "g", "kiste": 12, "nr": 17, "info": "Pyrogallol besteht im Reinzustand aus wei\u00dfen Kristallnadeln, die sich aber an der Luft schnell grau-br\u00e4unlich f\u00e4rben.[1] Es ist ein starkes Reduktionsmittel und absorbiert begierig in alkalischer L\u00f6sung Sauerstoff aus der Luft; es komplexiert Metallionen (z. B. Fe3+ unter Blauf\u00e4rbung). Bei l\u00e4ngerem Stehen an der Luft (besonders in alkalischer L\u00f6sung) geht Pyrogallol durch Oxidation in Kohlenstoffdioxid, Essigs\u00e4ure, Purpurogallin (Trihydroxybenztropolon) und weitere Zersetzungsprodukte \u00fcber; die L\u00f6sung f\u00e4rbt sich dann dunkelbraun. Die w\u00e4ssrigen L\u00f6sungen reagieren aufgrund dieser Zersetzung allm\u00e4hlich saurer, daher stammt auch die Bezeichnung Pyrogalluss\u00e4ure, was jedoch f\u00fcr die Reinsubstanz kein zutreffender Name ist.\r\n\r\nChemilumineszenz mit H2O2 / Formaldehyd Singulett Sauerstoff\r\n\r\nSauerstoffabsorption / Bestimmung"}}, {"model": "chemie.keller", "pk": 516, "fields": {"name": "Hefeextrakt", "menge": 150.0, "einheit": "g", "kiste": 12, "nr": 13, "info": "89% Hefeextrakt Salz W\u00fcrzmittel"}}, {"model": "chemie.keller", "pk": 517, "fields": {"name": "Lactose", "menge": 200.0, "einheit": "g", "kiste": 12, "nr": 12, "info": "Lactose schon \u00e4lter"}}, {"model": "chemie.keller", "pk": 518, "fields": {"name": "Kalibrierl\u00f6sung Eisen 1g/L", "menge": 100.0, "einheit": "ml", "kiste": 12, "nr": 16, "info": "Kalibriel\u00f6sung 2 TRopfen auf 10ml ergeben 10mg Eisen/L"}}, {"model": "chemie.keller", "pk": 519, "fields": {"name": "gelbes Blutlaugensalz", "menge": 200.0, "einheit": "g", "kiste": 4, "nr": 14, "info": "aliumhexacyanoferrat(II) Trihydrat ist als gelbes Blutlaugensalz bekannt. Es bildet im Vergleich zum roten Blutlaugensalz gelbe Kristalle nach dem tetragonalen System. Sie sind in Wasser und in Aceton gut l\u00f6slich. Die Wasserl\u00f6slichkeit nimmt beim Erw\u00e4rmen stark zu. Beim Erhitzen \u00fcber 60 \u00b0C gibt das Salz sein Kristallwasser ab und geht in ein wei\u00dfes Pulver \u00fcber. Beim st\u00e4rkerem Erhitzen zerf\u00e4llt das Pulver, wobei das stark toxische Kaliumcyanid gebildet werden kann. Genaugenommen handelt es sich beim Gelben Blutlaugensalz um einen Hexacyanidoferrat(II)-Komplex."}}, {"model": "chemie.keller", "pk": 520, "fields": {"name": "Schwefel", "menge": 200.0, "einheit": "g", "kiste": 4, "nr": 16, "info": "Schwefel (von althochdeutsch sw\u00ebbal; lateinisch sulpur und gr\u00e4zisiert sulphur bzw. sulfur, wie sw\u00ebbal vermutlich von einer indogermanischen Wurzel suel- mit der Bedeutung \u201alangsam verbrennen\u2018, woraus im Germanischen auch deutsch \u201eschwelen\u201c entstand;[11] die zur Benennung schwefelhaltiger Verbindungen verwendete Silbe \u201e-thio-\u201c stammt vom griechischen Wort \u03b8\u03b5\u1fd6\u03bf\u03bd the\u0129on \u201eSchwefel\u201c) ist ein chemisches Element mit dem Elementsymbol S und der Ordnungszahl 16. Er z\u00e4hlt zu den Chalkogenen, der sechsten Hauptgruppe des Periodensystems. In der H\u00e4ufigkeit der in der Lithosph\u00e4re vorkommenden Elemente steht er an 16. Stelle. Schwefel ist ein gelber, nichtmetallischer Feststoff, der eine Vielzahl allotroper Modifikationen bildet. In der Natur kommt er sowohl gediegen als auch in Form seiner anorganischen Verbindungen vor, in diesen vor allem als Sulfid oder Sulfat.\r\n\r\nBestimmte Aminos\u00e4uren und Coenzyme enthalten Schwefel; in Organismen spielt er eine Rolle bei der anaeroben Energiegewinnung von Mikroorganismen. Den gr\u00f6\u00dften Teil des elementar gewonnenen Schwefels verwendet die chemische Industrie zur Herstellung von Schwefels\u00e4ure, einer der technisch wichtigsten und meistproduzierten Grundchemikalien. Als Komponente des sauren Regens besitzen Schwefeloxide erhebliche Umweltrelevanz."}}, {"model": "chemie.keller", "pk": 521, "fields": {"name": "4-Iodophenol", "menge": 100.0, "einheit": "g", "kiste": 5, "nr": 11, "info": "muss gereinigt werden"}}, {"model": "chemie.keller", "pk": 522, "fields": {"name": "glyfos", "menge": 900.0, "einheit": "ml", "kiste": 5, "nr": 13, "info": "30,9% Glyphosat |"}}, {"model": "chemie.keller", "pk": 523, "fields": {"name": "Natriumsulfat wasserfrei", "menge": 1000.0, "einheit": "g", "kiste": 9, "nr": 5, "info": "S3"}}, {"model": "chemie.keller", "pk": 524, "fields": {"name": "Kaliumbromid", "menge": 1000.0, "einheit": "g", "kiste": 9, "nr": 6, "info": "S3"}}, {"model": "chemie.keller", "pk": 525, "fields": {"name": "Kaffees\u00e4ure", "menge": 5.0, "einheit": "g", "kiste": 9, "nr": 7, "info": "S3"}}, {"model": "chemie.keller", "pk": 526, "fields": {"name": "Aluminiumchlord wasserfrei", "menge": 100.0, "einheit": "g", "kiste": 9, "nr": 9, "info": "S3"}}, {"model": "chemie.keller", "pk": 527, "fields": {"name": "alte Medikamente", "menge": 1.0, "einheit": "g", "kiste": 11, "nr": 1, "info": "Adrenalin Prdenisolon Bromdiazepam Metalle-Praxis"}}, {"model": "chemie.keller", "pk": 528, "fields": {"name": "Ethanol 99 %", "menge": 2500.0, "einheit": "ml", "kiste": 14, "nr": 1, "info": "S3 1% MEK"}}, {"model": "chemie.keller", "pk": 529, "fields": {"name": "TAE Puffer 50X", "menge": 800.0, "einheit": "ml", "kiste": 14, "nr": 6, "info": "Roth"}}, {"model": "chemie.keller", "pk": 530, "fields": {"name": "Natriumlaurylsulaft SDS", "menge": 250.0, "einheit": "g", "kiste": 14, "nr": 7, "info": "Roth"}}, {"model": "chemie.keller", "pk": 531, "fields": {"name": "Natriumbenzoat", "menge": 1000.0, "einheit": "g", "kiste": 14, "nr": 4, "info": "S3"}}, {"model": "chemie.keller", "pk": 532, "fields": {"name": "Bromphenolblau", "menge": 5.0, "einheit": "g", "kiste": 14, "nr": 3, "info": "S3"}}, {"model": "chemie.keller", "pk": 533, "fields": {"name": "Ferroinl\u00f6sung DAB7", "menge": 50.0, "einheit": "ml", "kiste": 14, "nr": 5, "info": "Die Substanz wird als Reagenz zur Herstellung der Ferroin-L\u00f6sung (= rot gef\u00e4rbter FeII-Komplex des Phenanthrolins, ein Redoxindikator f\u00fcr die Oxidimetrie) z.B. in der Cerimetrie oder Manganometrie eingesetzt. In der Analytik zur Identifizierung und zur kolorimetrischen Bestimmung von zweiwertigem Eisen. Ferner basiert eine Identit\u00e4tsreaktion f\u00fcr Vitamin E-acetat (a-Tocopherol-acetat) auf der Verwendung von o-Phenanthrolin als Redoxindikator:\r\n\r\nNachweisreaktion f\u00fcr Vitamin-E-acetat nach DAB 7\r\n\r\n0,10 ml Vitamin-E-acetat werden in 2,0 ml Ethanol 96%ig gel\u00f6st und vorsichtig 0,10 ml konzentrierte Schwefels\u00e4ure hinzugef\u00fcgt. Das Gemisch wird 5 min lang im Wasserbad erhitzt. Man l\u00e4\u00dft abk\u00fchlen und setzt 3,0 ml Ethanol 96%ig zu. Danach werden 0,20 ml einer o-Phenanthrolinhydrochlorid-L\u00f6sung (Konzentration: 10 g/L in Ethanol 96%ig, entsprechend R 372 DAB 7) und nach dem Durchsch\u00fctteln 0,30 ml Eisen(III)-chlorid-L\u00f6sung (2,50 g/L in Ethanol 90%ig) zugegeben. Es entsteht eine orangerote F\u00e4rbung, die sich allm\u00e4hlich vertieft.\r\n\r\nBei dieser Reaktion wird das gebildete freie a-Tocopherol zum p-Tocopherylchinon oxidiert. Dreiwertiges Eisen (Fe3+) wird dabei zu zweiwertigem (Fe2+) reduziert. Das zweiwertige Eisen wird durch Bildung des hellrot gef\u00e4rbten Tri-1,10-Phenanthrolin- eisen(II)-komplexes (Ferroin) nachgewiesen. \u00dcber die Struktur dieses Komplexes siehe bei Ferroin.\r\n\r\n1,10-Phenanthrolin bildet auch mit manchen Schwermetall-Ionen Komplexe, welche jedoch unl\u00f6slich sind. Diese Reaktion l\u00e4\u00dft sich zu deren quantitativer Bestimmung benutzen.\r\n\r\nEin interessantes Demonstrationsexperiment ist die oszillierende chemische Reaktion nach BELOUSOV und ZABOTINSKY, welche sich den Farbwechsel der Phenanthrolin-Eisen-Komplexe (Ferroin hellrot - reduzierte Form/Ferriin hellblau - oxidierte Form) zunutze macht. Die genaue Versuchsbeschreibung findet man im Netz unter Experiment des Monats Mai 1998 und in Lit.[Field, Krei\u00dfl, Wagner]."}}, {"model": "chemie.keller", "pk": 534, "fields": {"name": "Tris", "menge": 100.0, "einheit": "g", "kiste": 14, "nr": 8, "info": "Trisma base"}}, {"model": "chemie.keller", "pk": 535, "fields": {"name": "Brillant Blue R 250", "menge": 10.0, "einheit": "g", "kiste": 14, "nr": 9, "info": "Roth"}}, {"model": "chemie.keller", "pk": 536, "fields": {"name": "Aceton", "menge": 5000.0, "einheit": "ml", "kiste": 0, "nr": 0, "info": "frei im Kriechkeller"}}, {"model": "chemie.keller", "pk": 537, "fields": {"name": "Natriumhypochlorid 14%", "menge": 1000.0, "einheit": "ml", "kiste": 0, "nr": 0, "info": "frei im Kriechkeller"}}, {"model": "chemie.keller", "pk": 538, "fields": {"name": "4-Nitrophthals\u00e4ure", "menge": 28.0, "einheit": "g", "kiste": 15, "nr": 1, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 539, "fields": {"name": "3-Nitrophthals\u00e4ue", "menge": 1.6, "einheit": "g", "kiste": 15, "nr": 2, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 540, "fields": {"name": "St\u00e4rke", "menge": 12.0, "einheit": "g", "kiste": 15, "nr": 3, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 541, "fields": {"name": "Natriumsalizylat", "menge": 10.0, "einheit": "g", "kiste": 15, "nr": 4, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 542, "fields": {"name": "Eisensulfid", "menge": 50.0, "einheit": "g", "kiste": 15, "nr": 5, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 543, "fields": {"name": "Kaliumalaun", "menge": 19.0, "einheit": "g", "kiste": 15, "nr": 6, "info": "?"}}, {"model": "chemie.keller", "pk": 544, "fields": {"name": "Kaliumchlorid", "menge": 30.0, "einheit": "g", "kiste": 15, "nr": 7, "info": "roh"}}, {"model": "chemie.keller", "pk": 545, "fields": {"name": "Phtalimid", "menge": 32.0, "einheit": "g", "kiste": 15, "nr": 8, "info": "selfmade (NH3)"}}, {"model": "chemie.keller", "pk": 546, "fields": {"name": "Hydrazinsulfat", "menge": 13.0, "einheit": "g", "kiste": 15, "nr": 9, "info": "15.7.2013"}}, {"model": "chemie.keller", "pk": 547, "fields": {"name": "Kaliumperchlorat", "menge": 4.4, "einheit": "g", "kiste": 15, "nr": 10, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 548, "fields": {"name": "Antimon", "menge": 100.0, "einheit": "g", "kiste": 15, "nr": 11, "info": "?"}}, {"model": "chemie.keller", "pk": 549, "fields": {"name": "Kaliumperjodat", "menge": 1.7, "einheit": "g", "kiste": 15, "nr": 12, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 550, "fields": {"name": "Kaliumchlorat", "menge": 10.0, "einheit": "g", "kiste": 15, "nr": 13, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 551, "fields": {"name": "Phtalimid", "menge": 11.0, "einheit": "g", "kiste": 15, "nr": 14, "info": "selfmade Harnstoff"}}, {"model": "chemie.keller", "pk": 552, "fields": {"name": "Natriumperiodat", "menge": 11.0, "einheit": "g", "kiste": 15, "nr": 15, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 553, "fields": {"name": "Kaliumiodat", "menge": 1.0, "einheit": "g", "kiste": 15, "nr": 16, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 554, "fields": {"name": "Mohrsches Salz", "menge": 24.0, "einheit": "g", "kiste": 15, "nr": 17, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 555, "fields": {"name": "Kaliumdichromat", "menge": 8.6, "einheit": "g", "kiste": 15, "nr": 18, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 556, "fields": {"name": "Kaliumnitrat", "menge": 4.0, "einheit": "g", "kiste": 15, "nr": 19, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 557, "fields": {"name": "Kaliumchlorat", "menge": 12.0, "einheit": "g", "kiste": 15, "nr": 20, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 558, "fields": {"name": "alfa-Naphthylamin", "menge": 4.0, "einheit": "g", "kiste": 15, "nr": 21, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 559, "fields": {"name": "Natriumacetat", "menge": 22.0, "einheit": "g", "kiste": 15, "nr": 22, "info": "wasserfrei ?"}}, {"model": "chemie.keller", "pk": 560, "fields": {"name": "Calciumoxid", "menge": 14.0, "einheit": "g", "kiste": 15, "nr": 23, "info": "evtl Hydroxid"}}, {"model": "chemie.keller", "pk": 561, "fields": {"name": "Kuperacetat & Zinkacetat", "menge": 15.0, "einheit": "g", "kiste": 15, "nr": 24, "info": "lustige Kristalle"}}, {"model": "chemie.keller", "pk": 562, "fields": {"name": "Kupfer galvanisch", "menge": 5.0, "einheit": "g", "kiste": 15, "nr": 25, "info": "aus der Praxis"}}, {"model": "chemie.keller", "pk": 563, "fields": {"name": "Zinnfolie", "menge": 1.3, "einheit": "g", "kiste": 15, "nr": 26, "info": "aus der Praxis"}}, {"model": "chemie.keller", "pk": 564, "fields": {"name": "Kupfersulfat", "menge": 11.0, "einheit": "g", "kiste": 15, "nr": 27, "info": "sch\u00f6ne Kristalle"}}, {"model": "chemie.keller", "pk": 565, "fields": {"name": "Kupfer feilung", "menge": 3.0, "einheit": "g", "kiste": 15, "nr": 28, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 566, "fields": {"name": "Messing feilung", "menge": 3.7, "einheit": "g", "kiste": 15, "nr": 29, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 567, "fields": {"name": "Natriumsulfid", "menge": 5.0, "einheit": "g", "kiste": 15, "nr": 30, "info": "Ns2S"}}, {"model": "chemie.keller", "pk": 568, "fields": {"name": "Nickelnitrat", "menge": 1.0, "einheit": "g", "kiste": 15, "nr": 31, "info": "selfmade"}}, {"model": "chemie.keller", "pk": 569, "fields": {"name": "Ascorbins\u00e4ure", "menge": 100.0, "einheit": "g", "kiste": 15, "nr": 32, "info": "Pulver"}}, {"model": "chemie.keller", "pk": 570, "fields": {"name": "TCPO", "menge": 4.0, "einheit": "g", "kiste": 15, "nr": 0, "info": "2g + 1g+ 1g"}}, {"model": "chemie.keller", "pk": 571, "fields": {"name": "Luminol", "menge": 2.0, "einheit": "g", "kiste": 15, "nr": 0, "info": "2* 1g"}}, {"model": "chemie.keller", "pk": 572, "fields": {"name": "D-Luciferin", "menge": 50.0, "einheit": 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Eucerinum cum aqua wasserhaltig)."}}, {"model": "chemie.keller", "pk": 577, "fields": {"name": "Sheabutter", "menge": 100.0, "einheit": "g", "kiste": 16, "nr": 4, "info": "Sheabutter ist in reinem Zustand bis zu vier Jahre haltbar, auch in tropischer Hitze. Das Besondere an der Sheabutter ist der hohe Anteil an unverseifbaren Bestandteilen (etwa 75 % Triterpene, daneben \u00d6ls\u00e4ure, Triterpenalkohole, Vitamin E, Beta-Karotin und Allantoin),[14] der Anteil liegt zwischen 8 und 11 % \u2013 im Vergleich zu Avocado\u00f6l 6 %, Sesam\u00f6l 1,5 %, Oliven\u00f6l 1,2 %. Sheabutter enth\u00e4lt haupts\u00e4chlich Triglyceride langkettiger, unges\u00e4ttigter Fetts\u00e4uren. 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