Abstract
Head-space analysis by gas chromatography has not only been shown to be useful for analytical purposes, but also to provide a valuable means of obtaining thermodynamically relevant data for solvent-solute characterization. This application was demonstrated for two solute-solvent systems that show positive and negative deviations from Raoult's law, from which activity coefficients at various concentrations and related functions, such as partial and total molar energies of mixing and related excess functions, can be derived.
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