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Qualitative investigation of the absorption spectrum of sodium

Qualitative investigation of the absorption spectrum of sodium

VP6.2.2.2

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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
1	451111 8	Spectral lamp, Na
1	45130 4	Universal choke, 230 V, 50 Hz
1	45060 4	Lamp housing with cable
1	450511 8	Bulbs 6 V/5 A/30 W, E14, set of 2
1	521210 8	Transformer 6/12 V
1	44153 8	Screen, translucent
2	30002 4	Stand base, V-shaped, small
1	30011 4	Saddle base
2	30042 4	Stand rod, 47 cm, 12 mm diam.
1	666711 4	Butane gas burner
1	666712ET3 8	Butane cartridge, 190 g, set of 3 Danger H220
2	30101 4	Leybold multiclamp
1	666962 4	Spatula, double ended, 150 mm
1	6730840 4	Magnesia rods, 25 pieces
1	6735700 4	Sodium chloride, 250 g

Experiment Instructions

PDF (Experiment description)

P6.2.2.2 Qualitative investigation of the absorption spectrum of sodium

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Qualitative investigation of the absorption spectrum of sodium

Description

Components of equipment sets

Experiment Instructions

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