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  4  Lens in frame, f=100 mm LD
1 46605  8  Direct vision prism LD
1 46604  8  Holder for direct vision prism LD
1 47733  4  Cuvette made of optical glass 45 x 12,5 x 102,5 mm LD
1 46025  8  Prism table LD
1 44153  8  Screen, translucent LD
1 45060  4  Lamp housing with cable LD
1 450521  8  Bulbs 12 V/2,5 A/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  4  Clamp rider with clamp 45/65 LD
1 ADAHCB602H Precision Balance, 600 g /0,01g, with USB interface 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  8  Dropping pipette 150 mm x 7 mm Ø, 10 pieces LD
1 665954  4  Dropper bulb, 10 pieces LD
1 661243  4  Wash bottle PE 500 ml LD
1 6718700  4  Iron(III) chloride-6-hydrate, 50 g LD
GHS05GHS07 Danger H302 H315 H318
1 6732900  4  Methylene blue, 1 g LD
GHS07 Warning H302
1 6752550  4  Universal Indicator, 50 ml LD
GHS02GHS07 Danger H225 H319
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
GHS05 Danger H314 H290

Experiment Instructions

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