Mixed solvents in gas-liquid chromatography. Activity coefficients for diethyl ether in squalane and dinonyl phthalate mixtures at 303°K

Anthony J. Ashworth; Trevor M. Letcher; Gareth J. Price

doi:10.1016/S0021-9673(01)88085-7

Mixed solvents in gas-liquid chromatography. Activity coefficients for diethyl ether in squalane and dinonyl phthalate mixtures at 303°K

Anthony J. Ashworth, Trevor M. Letcher, Gareth J. Price

Department of Chemistry

University of Bath

Research output: Contribution to journal › Article › peer-review

Abstract

Activity and partition coefficients for the polar solute diethyl ether at infinite dilution in squalane and dinonyl phthalate solvent mixtures have been determined at 303°K by the extrapolation of measurements made using a vacuum microbalance technique. The results are compared to predictions using the Purnell-Andrade and the Tiley-Perry relationships. The effect on the activity coefficients resulting from various solvent-solid support ratios has also been investigated.

Original language	English
Pages (from-to)	33-39
Number of pages	7
Journal	Journal of Chromatography A
Volume	262
Issue number	C
DOIs	https://doi.org/10.1016/S0021-9673(01)88085-7
Publication status	Published - 1 Jan 1983

Funding

T.M.L. gratefully acknowledges the financial support of Rhodes University and the CSIR (South Africa). G.J.P. wishes to thank the Science and Engineering Research Council (Great Britain) for the award of a research studentship.

ASJC Scopus subject areas

Analytical Chemistry

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10.1016/S0021-9673(01)88085-7

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abstract = "Activity and partition coefficients for the polar solute diethyl ether at infinite dilution in squalane and dinonyl phthalate solvent mixtures have been determined at 303°K by the extrapolation of measurements made using a vacuum microbalance technique. The results are compared to predictions using the Purnell-Andrade and the Tiley-Perry relationships. The effect on the activity coefficients resulting from various solvent-solid support ratios has also been investigated.",

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N2 - Activity and partition coefficients for the polar solute diethyl ether at infinite dilution in squalane and dinonyl phthalate solvent mixtures have been determined at 303°K by the extrapolation of measurements made using a vacuum microbalance technique. The results are compared to predictions using the Purnell-Andrade and the Tiley-Perry relationships. The effect on the activity coefficients resulting from various solvent-solid support ratios has also been investigated.

AB - Activity and partition coefficients for the polar solute diethyl ether at infinite dilution in squalane and dinonyl phthalate solvent mixtures have been determined at 303°K by the extrapolation of measurements made using a vacuum microbalance technique. The results are compared to predictions using the Purnell-Andrade and the Tiley-Perry relationships. The effect on the activity coefficients resulting from various solvent-solid support ratios has also been investigated.

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Mixed solvents in gas-liquid chromatography. Activity coefficients for diethyl ether in squalane and dinonyl phthalate mixtures at 303°K

Abstract

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