Relative Detection Efficiency of LiBr and (LiBr)2

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Abstract
The relative efficiency for the production of positive ions when LiBr and (LiBr)2 are incident on a hot oxidized tungsten wire has been determined. It is found that the ratio of the number of ions produced for the molecule (LiBr)2 and the molecule (LiBr) is 2.0±0.1. The result is consistent with the heretofore unverified assumption that has been made in the study of the thermochemistry of the vapors of the alkali halides. Effects arising from the long mean free paths of molecules in ovens used for such studies have been observed and are discussed.

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