Qualitative investigation of the absorption spectrum of sodium

VP6.2.2.2
Qualitative investigation of the absorption spectrum of sodium
Qualitative investigation of the absorption spectrum of sodium

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Description

In the experiment P6.2.2.2, the flame of a Bunsen burner is alternately illuminated with white light and sodium light and observed on a screen. When sodium is burned in the flame, a dark shadow appears on the screen when illuminating with sodium light. From this it is possible to conclude that the light emitted by a sodium lamp is absorbed by the sodium vapor, and that the same atomic components are involved in both absorption and emission.

Components of equipment sets

1 45116  8  Housing for spectral lamps LD
1 451111  8  Spectral lamp, Na LD
1 45130  4  Universal choke, 230 V, 50 Hz LD
1 45060  4  Lamp housing with cable LD
1 450511  8  Bulbs, 6 V/30 W, E14, set of 2 LD
1 521210  8  Transformer 6/12 V LD
1 44153  8  Screen, translucent LD
2 30002  4  Stand base, V-shaped, small LD
1 30011  4  Saddle base LD
2 30042  4  Stand rod, 47 cm, 12 mm diam. LD
1 666711  4  Butane gas burner LD
1 666712ET3  8  Butane cartridge, 190 g, set of 3 LD
GHS02 Danger H220
2 30101  4  Leybold multiclamp LD
1 666962  4  Spatula, double ended, 150 mm LD
1 6730840  4  Magnesia rods, 25 pieces LD
1 6735700  4  Sodium chloride, 250 g LD

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) P6.2.2.2 Qualitative investigation of the absorption spectrum of sodium
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