Determination of Gas-Liquid and Gas-Solid Equilibrium Isotherms by Chromatography: II. Apparatus, Specifications, and Results
- 1 March 1976
- journal article
- Published by Oxford University Press (OUP) in Journal of Chromatographic Science
- Vol. 14 (3) , 132-139
- https://doi.org/10.1093/chromsci/14.3.132
Abstract
The step-and-pulse method is applied to the determination of the isotherms of n-pentane dissolved in squalane and of n-hexane adsorbed on graphitized carbon black. In both cases the isotherms derived from experimental results are in excellent agreement with those obtained by static methods. The equipment used to carry out the measurements is described in detail, and the important conditions which must be satisfied are stressed. The accuracy and reliability of the results obtained by the step-and-pulse method are emphasized, as well as the ease and speed with which measurements are obtained, either for binary equilibria or for equilibria involving three or more compounds, the only condition being that one of them is nonvolatile and can be used as stationary phase.Keywords
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