Extra-thermodynamic relationships in chromatography enthalpy-entropy compensation in gas chromatography

Jianjun Li; Peter W. Carr

doi:10.1016/0021-9673(94)80285-8

Extra-thermodynamic relationships in chromatography enthalpy-entropy compensation in gas chromatography

Jianjun Li, Peter W. Carr

Chemistry (Twin Cities)

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Abstract

The phenomenon of enthalpy-entropy compensation in gas chromatography is examined. Using 53 probe solutes that span a wide range in size (dispersive interaction), dipolarity, hydrogen-bond-donor and hydrogen-bond-acceptor strength, enthalpy-entropy compensation is not observed, while for probe solutes within a homologous series enthalpy-entropy compensation is observed as predicted by the linear salvation energy relationship methodology.

Original language	English (US)
Pages (from-to)	105-116
Number of pages	12
Journal	Journal of Chromatography A
Volume	670
Issue number	1-2
DOIs	https://doi.org/10.1016/0021-9673(94)80285-8
State	Published - Jun 3 1994

Bibliographical note

Funding Information:
This work was supportedi n part by grants to the University of Minnesota from the National ScienceF oundation and the Petroleum Research Foundation.

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abstract = "The phenomenon of enthalpy-entropy compensation in gas chromatography is examined. Using 53 probe solutes that span a wide range in size (dispersive interaction), dipolarity, hydrogen-bond-donor and hydrogen-bond-acceptor strength, enthalpy-entropy compensation is not observed, while for probe solutes within a homologous series enthalpy-entropy compensation is observed as predicted by the linear salvation energy relationship methodology.",

author = "Jianjun Li and Carr, {Peter W.}",

note = "Funding Information: This work was supportedi n part by grants to the University of Minnesota from the National ScienceF oundation and the Petroleum Research Foundation.",

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N2 - The phenomenon of enthalpy-entropy compensation in gas chromatography is examined. Using 53 probe solutes that span a wide range in size (dispersive interaction), dipolarity, hydrogen-bond-donor and hydrogen-bond-acceptor strength, enthalpy-entropy compensation is not observed, while for probe solutes within a homologous series enthalpy-entropy compensation is observed as predicted by the linear salvation energy relationship methodology.

AB - The phenomenon of enthalpy-entropy compensation in gas chromatography is examined. Using 53 probe solutes that span a wide range in size (dispersive interaction), dipolarity, hydrogen-bond-donor and hydrogen-bond-acceptor strength, enthalpy-entropy compensation is not observed, while for probe solutes within a homologous series enthalpy-entropy compensation is observed as predicted by the linear salvation energy relationship methodology.

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Extra-thermodynamic relationships in chromatography enthalpy-entropy compensation in gas chromatography

Abstract

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