Absorption spectra of pigments on a screen

VC3.3.1.1

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Description

In experiment C3.3.1.1, the light from a lamp is separated out into its spectrum with a direct vision prism. That light is then projected through coloured liquids and compared with the continuous spectrum of the light from the lamp. The original continuous spectrum with the different spectral colours disappears. Only the colour components of the liquid remain visible.

Components of equipment sets

1	46003 4	Lens in frame, f=100 mm
1	46605 8	Direct vision prism
1	46604 8	Holder for direct vision prism
1	47733 4	Cuvette made of optical glass 45 x 12,5 x 102,5 mm
1	46025 8	Prism table
1	44153 8	Screen, translucent
1	45060 4	Lamp housing with cable
1	450521 8	Bulbs 12 V/2,5 A/30 W, E14, set of 2
1	46020 4	Condenser with diaphragm holder
1	521210 8	Transformer 6/12 V
1	460310 8	Optical bench, S1 profile, 1 m
5	460311 4	Clamp rider with clamp 45/65
1	ADAHCB602H	Precision Balance, 600 g /0,01g, with USB interface
5	602023 4	Beaker, Boro 3.3, 150 ml, squat
1	665212 4	Glass stirring rod 200 x 8 mm Ø
1	665753 4	Measuring cylinder 50 ml, with plastic base
1	665953 8	Dropping pipette 150 mm x 7 mm Ø, 10 pieces
1	665954 4	Dropper bulb, 10 pieces
1	661243 4	Wash bottle PE 500 ml
1	6718700 4	Iron(III) chloride-6-hydrate, 50 g Danger H302 H315 H318
1	6732900 4	Methylene blue, 1 g Warning H302
1	6752550 4	Universal Indicator, 50 ml Danger H225 H319
1	30942 4	Colouring, red, 10 g
1	6753400 4	Water, pure, 1 l
1	6738400 4	Sodium hydroxide solution, diluted, aprox. 2 M, 500 ml Danger H314 H290

Experiment Instructions

PDF (Experiment description)

C3.3.1.1 Absorption spectra of pigments on a screen

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Absorption spectra of pigments on a screen

Description

Components of equipment sets

Experiment Instructions

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