Abstract
THE method of E. R. Wright and R. A. Smith1 for the determination of moisture in liquid chlorine by infra-red absorption spectrophotometry has been extended to include impurities that give absorption bands as far as 1,180 cm.−1 (8.5 µ). In the range 4,000–1,180 cm.−1, liquid chlorine is, for practical purposes, completely transparent in the infra-red. This enables the use of path-lengths a thousand times greater than normal. Certain impurities can thus be estimated to a few parts per million by this method.
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Wright, E. R., and Smith, R. A., American Chemical Society Meeting, Buffalo, N.Y. (March 1952).
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PROSS, A. Estimation of Impurities in Liquid Chlorine by Infra-red Absorption Spectrophotometry. Nature 174, 467 (1954). https://doi.org/10.1038/174467a0
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DOI: https://doi.org/10.1038/174467a0
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