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Determination of the refractive index with the refractometer

Determination of the refractive index with the refractometer

VC3.3.3.1

$Determination of the refractive index with the refractometer$

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Description

In experiment C3.3.3.1 the mass fraction w in % in a solution is determined by measuring the refractive index with the help of the refractometer. For this purpose, solutions with different mass fractions of a substance are prepared and a calibration curve is plotted. This allows a sample with an unknown mass fraction to be determined.

Components of equipment sets

1	667359	Laboratory refractometer
1	ADAHCB602H	Precision Balance, 600 g /0,01g, with USB interface
2	602022 4	Beaker Boro 3.3, 100 ml, squat
2	665997 4	Graduated pipette 10 ml
1	666002 4	Pipetting aid
1	665953 8	Dropping pipette 150 mm x 7 mm Ø, 10 pieces
1	665954 4	Dropper bulb, 10 pieces
10	661251 8	Flip-flap glass, 20 ml
1	661243 4	Wash bottle PE 500 ml
1	6719720 4	Ethanol, denaturated, 1 l Danger H225 H319
1	6673551	* Peltier-Thermostat PT30
2	30770 4	* Tubing 8 mm Ø, 1 m, plastic

Articles marked with * are not essential, we do however recommend them to carry out the experiment.

Experiment Instructions

PDF (Experiment description)

C3.3.3.1 Determination of the refractive index with the refractometer

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Determination of the refractive index with the refractometer

Description

Components of equipment sets

Experiment Instructions

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