Abstract
IN a recent publication1 Sewell and Stock have presented their results for the effect of an inert gas, nitrogen, on the solubility of carbon tetrachloride in non-volatile liquids used as stationary phases in gas-liquid chromatography. Although not stated, it is to be understood that the method is based on the original proposals and work of Freeguard2 and Stock, and it is the aim of this publication to direct attention to the consistency of Freeguard's results and to indicate a method whereby the later results may be used to evaluate B12, the second virial coefficient that accounts for the interactions between unlike molecules of the mixed gases.
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References
Sewell, P. A., and Stock, R., Nature, 207, 618 (1965).
Freeguard, G. F., thesis, Univ. Wales (1961).
Freeguard, G. F., and Stock, R., Trans. Faraday Soc., 59, 1655 (1963).
Sewell, P. A., and Stock, R. (personal communication).
Coggan, G. C. (to be published).
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FREEGUARD, G. Partition Isotherms and the Mixed Second Virial Coefficient. Nature 209, 1124–1125 (1966). https://doi.org/10.1038/2091124a0
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DOI: https://doi.org/10.1038/2091124a0
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