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Retention vs van der walls volume, pi-energy and hydrogen-bonding energy effects and enthalpy in liquid chromatography

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Summary

The logarithm of capacity ratios (logk’) of alkanes, alkyl alcohols, alkylbenzenes, halogenated benzenes and polyaromatic hydrocarbons are measured in reversedphase liquid chromatography at several temperatures using an octadecyl-bonded silica gel as the packing and acetonitrile/water mixtures as the eluent.

The Δ (logk’) values are related to their van der Waals volumes, pi-energy and hydrogen-bonding energy effects and their enthalpies. The difference between the observed capacity ratios and the capacity ratios predicted from van der Waals volumes, pi-energy and hydrogen-bonding energy effects can be explained due to enthalpy effect of larger molecular size compounds.

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Authors and Affiliations

  1. Gasukuro Kogyo Inc., 237-2 Sayamagahara, 358, Iruma, Japan

    T. Hanai & A. Jukurogi

  2. Department de Chimie, Université de Montréal, PC6210, Succ. A, H3C 3V1, Montréal, Québec, Canada

    J. Hubert

Authors
  1. T. Hanai
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  2. A. Jukurogi
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  3. J. Hubert
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Hanai, T., Jukurogi, A. & Hubert, J. Retention vs van der walls volume, pi-energy and hydrogen-bonding energy effects and enthalpy in liquid chromatography. Chromatographia 19, 266–268 (1984). https://doi.org/10.1007/BF02687751

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  • DOI: https://doi.org/10.1007/BF02687751

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