Surface Tension and Interfacial Tension of Binary Organic Liquid Mixtures
作者： Heike Kahl , Tino Wadewitz , Jochen Winkelmann
DOI: 10.1021/JE034062R
关键词:
摘要: The pendant drop method, combined with efficient temperature control of the measuring cell, allows high precision measurements both surface tension and interfacial tension. tensions liquid densities mixtures cyclohexane + heptane, propanone, toluene propanone have been determined at a normal pressure 1 bar over range from 287 K to 317 K. data could be parametrized cubic polynomial. Gibbs excess concentrations are derived our experimental data, influence activity coefficients is discussed. apparatus accurate in systems liquid−liquid phase separation. In binary heptane N,N-dimethylformamide, N-methyl-2-pyrrolidone, decane was measured wide close critical solution point. corresponding ...
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