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Reactions in organic chemistry
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The automated Blue Bottle Experiment - a reversible redox reaction

VC2.2.2.2
The automated Blue Bottle Experiment - a reversible redox reaction
The automated Blue Bottle Experiment - a reversible redox reaction

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Description

The blue bottle experiment is a model experiment for a organic redox system. The redox indicator methylene blue is reduced by glucose to its colourless form which is then oxidised by air to form again the coloured version. The air is led into solution by a pump. Additional glucose in solution will then reduce it to its colourless form. The process is reversible. In this experiment a automated version with a two-point control system is used.

Components of equipment sets

1 524013  8  Sensor-CASSY 2 LD
1 524220  4  CASSY Lab 2 LD
1 524069  4  Immersion photometer S LD
1 666425  4  Panel frame C50, two-level, for CPS LD
1 666438 Woulff's bottle with manometer, CPS LD
1 6673095  4  Screw cap, GL 45, with hole LD
1 6673107  4  Silicone seal GL 45/26, 10 pcs LD
1 666482 Aeration pump, controllable, CPS LD
1 500411  4  Connecting lead, 19 A, 25 cm, red LD
1 500412  4  Connecting lead, 19 A, 25 cm, blue LD
1 ADAHCB602H Precision Balance, 600 g /0,01g, with USB interface LD
2 664157  4  Watch glass dish 125 mm Ø LD
2 666966  4  Spoon-ended spatula polyamid, 180 mm LD
1 666003  4  Pipetting ball (Peleus ball) LD
1 665996  4  Graduated pipette, 5 ml LD
1 665756  4  Measuring cylinder 500 ml, with plastic base LD
1 604501  4  PVC tubing, 7 mm diam., 1 m LD
1 604460  4  Hose clamp, 8...12 mm LD
1 602347  4  Laboratory bottle, 500 ml, GL 45 thread LD
1 6732920  4  Methylene blue solution, 100 ml LD
GHS02GHS07 Warning H226 H319
1 6736800  4  Sodium hydroxide, pellets, 100 g LD
GHS05 Danger H314 H290
1 6721100  4  D(+)-Glucose, 100 g LD
1 6753400  4  Water, pure, 1 l LD
1 additionally required:
PC with Windows XP/Vista/7/8/10/11 (x86 or x64)

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) C2.2.2.2 The automated Blue Bottle Experiment - a reversible redox reaction
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