Absorption spectra of pigments on a screen

VC3.3.1.1
Absorption spectra of pigments on a screen
Absorption spectra of pigments on a screen

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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  8  Lens in frame, f=100 mm LD
1 46605  4  Direct vision prism LD
1 46604  8  Holder for direct vision prism LD
1 47720  8  Plate glass cell (cuvette), 100 x 100 x 10 mm LD
1 46025 Prism table LD
1 44153  8  Screen, translucent LD
1 45060  4  Lamp housing with cable LD
1 450521  4  Bulbs, 12 V/30 W, E14, set of 2 LD
1 46020  4  Condenser with diaphragm holder LD
1 521210  8  Transformer 6/12 V LD
1 460310  8  Optical bench, S1 profile, 1 m LD
5 460311  8  Clamp rider with clamp 45/65 LD
1 6677977  4  Electronic Balance 440-3N, 200 g : 0.01 g LD
5 602023  4  Beaker, Boro 3.3, 150 ml, squat LD
1 665212  4  Glass stirring rod 200 x 8 mm Ø LD
1 665753  4  Measuring cylinder 50 ml, with plastic base LD
1 665953  4  Dropping pipette, 7 x 150 mm, 10 pcs. LD
1 665954  8  Rubber bulbs, 10 pcs LD
1 661243  4  Wash bottle, PE, 500 ml LD
1 6718700  4  Iron(III) chloride-6-hydrate, 50 g LD
1 6732900  4  Methylene blue, 1 g LD
1 6752550  4  Universal Indicator, 50 ml LD
1 30942  4  Colouring, red, 10 g LD
1 6753400  4  Water, pure, 1 l LD
1 6738400  4  Sodium hydroxide solution, diluted, aprox. 2 M, 500 ml LD

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) C3.3.1.1 Absorption spectra of pigments on a screen
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