Measurement of the Solubility of Volatile Substances by Vapor-Phase Gas-Chromatographic Analysis

Measurement of the Solubility of Volatile Substances by Vapor-Phase Gas-Chromatographic Analysis A new procedure is proposed for vapor-phase gas-chromatographic determination of the solubilityof partly soluble volatile compounds in liquids. The method is based on successive pneumatic sampling totake small, equal portions of the equilibrium gas from the gas-liquid system containing an excess ofthe volatile component forming the second liquid phase. The gas-chromatographic determination of thiscomponent in the samples of the equilibrium gas makes it possible to find the slope of the isotherm describing the distribution of the substance between the liquid and gas phases near the saturation point, estimate the nonlinear portion of the isotherm, and calculate the substance content in the saturated solution. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Measurement of the Solubility of Volatile Substances by Vapor-Phase Gas-Chromatographic Analysis

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Subject
Chemistry; Chemistry/Food Science, general
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1023/A:1012774101449
Publisher site
See Article on Publisher Site

Abstract

A new procedure is proposed for vapor-phase gas-chromatographic determination of the solubilityof partly soluble volatile compounds in liquids. The method is based on successive pneumatic sampling totake small, equal portions of the equilibrium gas from the gas-liquid system containing an excess ofthe volatile component forming the second liquid phase. The gas-chromatographic determination of thiscomponent in the samples of the equilibrium gas makes it possible to find the slope of the isotherm describing the distribution of the substance between the liquid and gas phases near the saturation point, estimate the nonlinear portion of the isotherm, and calculate the substance content in the saturated solution.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Oct 13, 2004

References

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