Determination of the reaction order of the reaction of malachite green with hydroxide ions

VC4.1.2.2
Determination of the reaction order of the reaction of malachite green with hydroxide ions
Determination of the reaction order of the reaction of malachite green with hydroxide ions Half-time determination of the reaction: bleaching of malachite green.
Determination of the reaction order of the reaction of malachite green with hydroxide ions

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Description

In Experiment C4.1.2.2 malachite green is bleached using sodium hydroxide solution. This bleaching can be followed with an immersion photomoeter. This way, the half time, the reaction order and, based on these data, the reaction rate constant can be determined.

Components of equipment sets

1 524069  4  Immersion photometer S LD
1 524005W2 Mobile-CASSY 2 WiFi LD
1 524220  4  CASSY Lab 2 LD
1 607105  8  Magnetic stirrer mini LD
1 666851  4  Stirring magnet, 25 mm x 6 mm Ø, circular LD
3 664103  4  Beaker, DURAN, 250 ml, squat LD
1 665756  4  Measuring cylinder 500 ml, with plastic base LD
1 665755  4  Measuring cylinder 250 ml, with plastic base LD
1 665753  4  Measuring cylinder 50 ml, with plastic base LD
1 6677991 Analytical balance, 220 g : 0.0001 g LD
1 6045651  4  Spoon-ended spatula, Nickel, 120 mm LD
1 665793  4  Volumetric flask, Boro 3.3, 100 ml LD
1 665997  4  Graduated pipette 10 ml LD
1 666003  4  Pipetting ball (Peleus ball) LD
1 602347  4  Laboratory bottle, 500 ml, GL 45 thread LD
1 30011  4  Saddle base LD
1 30041  4  Stand rod, 25 cm, 12 mm Ø LD
1 666543  4  Double, crossed boss head, 0...16 mm LD
1 666555  4  Universal clamp 0...80 mm LD
1 661243  4  Wash bottle PE 500 ml LD
1 6731670  4  Malachite green, 25 g LD
GHS08GHS05GHS07GHS09 Danger H361d H302 H318 H410
1 6719720  4  Ethanol, denaturated, 1 l LD
GHS02GHS07 Danger H225 H319
1 6736800  4  Sodium hydroxide, pellets, 100 g LD
GHS05 Danger H314 H290
1 6753400  4  Water, pure, 1 l LD
1 additionally required: PC with Windows 7 or higher with WIFI or USB connection
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