Solubility of n-alkanols (C16, C18, C20) in binary solvent mixtures

被引：0
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作者：
Domanska, Urszula [1 ]
机构：
[1] Warsaw Technical Univ, Poland
来源：
Fluid Phase Equilibria | 1992年 / v卷 / 02期
关键词：
Equations of State - Mixtures - Solvents;
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摘要：
The solubilities of C16, C18, C20 n-alkanols (1-hexadecanol, 1-octadecanol, 1-eicosanol) in 12 binary solvents consisting of cyclohexane and heptane or 2-propanol have been measured by a dynamic method from 286 K to melting point. Cyclohexane + 2-propanol mixed solvent systems were found to exhibit the synergetic effect of solubility. The results of these measurements have been compared with those predicted by means of six correlation equations that describe the Gibbs excess free energy of mixing GE: the equations of Wilson, UNIQUAC, UNIQUAC associated-solution model, as well as the simple and two modified NRTL equations. The best predicted results and correlation were obtained with UNIQUAC associated-solution model.
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页码：223 / 248
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