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The use of β H2 , α H2 to measure hydrogen-bond terms in reserved phase liquid chromatography

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Summary

In the correlation of reversed phase liquid chromatography capacity factors through the equation

$$Log k' = log k'_0 + mV_1 /100 + s\pi _2^ * + b\beta _2 + a\alpha _2 $$

the use of Abrahams β H2 , α H2 , which are Gibbs-energyrelated via equilibrium constants (log K Hb , K Ha ), is entirely equivalent to the use of Kamlet-Tafts β2, α2 for the hydrogen bond terms. It is shown that for most compounds, these two sets of basicity, (β H2 and β2, are close.

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Authors and Affiliations

  1. Department of Chemistry, Lanzhou University, 730000, Lanzhou, Gansu, P. R. China

    Z. D. Hu & X. K. Hao

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  1. Z. D. Hu
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  2. X. K. Hao
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Hu, Z.D., Hao, X.K. The use of β H2 , α H2 to measure hydrogen-bond terms in reserved phase liquid chromatography. Chromatographia 35, 111–113 (1993). https://doi.org/10.1007/BF02278567

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  • DOI: https://doi.org/10.1007/BF02278567

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