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The Raman Effect with Hydrochloric Acid Gas: the ‘Missing Line.’

Abstract

I HAVE obtained lines of modified wave-length by the excitation of hydrochloric acid gas at atmospheric pressure, by the light of a glass Cooper-Hewitt lamp about five feet in length, placed parallel to and in contact with the tube containing the HCl, the whole being completely surrounded by a cylindrical reflector of very highly polished aluminium, which was in contact with the two glass tubes. Under these conditions the temperature of the gas was about 100° C., as indicated by a thermometer introduced into the metal cylinder.

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WOOD, R. The Raman Effect with Hydrochloric Acid Gas: the ‘Missing Line.’. Nature 123, 279 (1929). https://doi.org/10.1038/123279a0

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