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Absorption spectra of pigments on a screen
  1. Determination of physical properties
  2. Optical analysis methods
  3. Quantitative analysis
  4. Applied analytics

Absorption spectra of pigments on a screen

C3.3.1.1
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

1 460 03  4  Lens in frame, f=100 mm LD
1 466 05  8  Direct vision prism LD
1 466 04  8  Holder for direct vision prism LD
1 477 33  4  Cuvette made of optical glass 45 x 12,5 x 102,5 mm LD
1 460 25  8  Prism table LD
1 441 53  8  Screen, translucent LD
1 450 60  4  Lamp housing with cable LD
1 450 521  8  Bulbs 12 V/2,5 A/30 W, E14, set of 2 LD
1 460 20  4  Condenser with diaphragm holder LD
1 521 210  8  Transformer 6/12 V LD
1 460 310  8  Optical bench, S1 profile, 1 m LD
5 460 311  4  Clamp rider with clamp 45/65 LD
1 ADAHCB602H Precision Balance, 600 g /0,01g, with USB interface LD
5 602 023  4  Beaker, Boro 3.3, 150 ml, squat LD
1 665 212  4  Glass stirring rod 200 x 8 mm Ø LD
1 665 753  4  Measuring cylinder 50 ml, with plastic base LD
1 665 953  8  Dropping pipette 150 mm x 7 mm Ø, 10 pieces LD
1 665 954  4  Dropper bulb, 10 pieces LD
1 661 243  4  Wash bottle PE 500 ml LD
1 671 8700  4  Iron(III) chloride-6-hydrate, 50 g LD
GHS05GHS07 Danger H302 H315 H318
1 673 2900  4  Methylene blue, 1 g LD
GHS07 Warning H302
1 675 2550  4  Universal Indicator, 50 ml LD
GHS02GHS07 Danger H225 H319
1 309 42  4  Colouring, red, 10 g LD
1 675 3400  4  Water, pure, 1 l LD
1 673 8400  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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Physics
Chemistry
Biology
Technology

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