THERMODYNAMICS OF BINARY-MIXTURES CONTAINING ORGANIC CARBONATES .4. LIQUID LIQUID EQUILIBRIA OF DIMETHYL CARBONATE + SELECTED N-ALKANES

被引:63
作者
GONZALEZ, JA [1 ]
GARCIA, I [1 ]
COBOS, JC [1 ]
CASANOVA, C [1 ]
机构
[1] UNIV VALLADOLID,DEPT FIS APLICADA,E-47071 VALLADOLID,SPAIN
关键词
D O I
10.1021/je00002a009
中图分类号
O414.1 [热力学];
学科分类号
摘要
Liquid-liquid equilibrium (LLE) data are reported for dimethyl carbonate + n-decane, + n-dodecane, + n-tetradecane, or + n-hexadecane at atmospheric pressure, between 277 K and the upper critical temperatures. The solubility curve of pure solid n-hexadecane in liquid dimethyl carbonate is also presented. The coexistence curves are very asymmetrical with respect to mole fraction, the asymmetry increasing with the size of the n-alkane. The critical solution points vary almost linearly with the number of carbon atoms of the n-alkane. The data are used in the framework of regular solution theory to obtain the solubility parameter of dimethyl carbonate.
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页码:162 / 164
页数:3
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