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Liquid-gas Interface Effects in Gas Chromatography

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Abstract

COMPREHENSIVE studies of retention characteristics of gas chromatographic systems, using in particular β,β′-thiodipropionitrile (TDPN) as solvent, have prompted the suggestion that excess concentration of solute at the liquid surface leads to a dependence of retention time on the area to volume ratio of the solvent and in turn on the physical factors which determine this ratio1. Despite the wealth of experimental information1–3, the evidence is not entirely conclusive and could be subject to alternative explanation. We have therefore considered it desirable to examine the behaviour of such systems in a static apparatus. This comprised a combined McBain balance4–deNouy tensiometer5 enclosed in a single well-thermostated chamber. It is hoped to publish details of this elsewhere.

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References

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Author notes

  1. D. E. MARTIRE

    Present address: Department of Chemistry, Georgetown University, Washington, D.C.

  2. R. L. PECSOK: American Chemical Society Petroleum Research Foundation International Fellow. On leave from the Department of Chemistry, University of California, Los Angeles.

Authors and Affiliations

  1. Department of Physical Chemistry, University of Cambridge,

    D. E. MARTIRE, R. L. PECSOK & J. H. PURNELL

  2. National Science Foundation Postdoctoral Fellow,

    D. E. MARTIRE

Authors
  1. D. E. MARTIRE
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  2. R. L. PECSOK
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  3. J. H. PURNELL
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MARTIRE, D., PECSOK, R. & PURNELL, J. Liquid-gas Interface Effects in Gas Chromatography. Nature 203, 1279–1280 (1964). https://doi.org/10.1038/2031279a0

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