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Kit for Observation of Emission and Absorption Spectral Lines



It consists of a small burner in to which to place cotton wool soaked in a saturated solution of alcohol and sodium chloride (included). Observing the flame with a spectroscope it is possible to identify the emission line of the sodium at 589 nm.

If a projector (not included) is switched on behind the flame, it is possible to see a continuous spectrum with the absorption line of sodium.