ENTHALPIES OF MIXING AT 298.15-K OF A METHYL ALKANOATE (FROM ACETATE TO PENTANOATE) WITH NORMAL-ALKANES (NORMAL-TRIDECANE AND NORMAL-PENTADECANE)

被引:16
作者
ORTEGA, J
MATOS, JS
PENA, JA
机构
[1] Cátedra de Termodinámica y Fisicoquímica, Escuela Superior de Ingenieros Industrielles, Universidad de Las Palmas de Gran Canaria
关键词
D O I
10.1016/0040-6031(90)80631-8
中图分类号
O414.1 [热力学];
学科分类号
摘要
Excess molar enthalpies hE have been measured for the binary liquid mixtures of four methyl alkanoates (acetate, propanoate, butanoate and pentanoate) with two n-alkanes (n-tridecane and n-pentadecane) at 298.15 K, using an isothermal microcalorimeter. All the mixtures studied were endothermic, the hE values for a given n-alkane decreasing with lengthening of the aliphatic chain of the methyl ester. By contrast, the values of hE increased quasi-regularly as the number of carbon atoms in the n-alkane increased. © 1990.
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页码:121 / 126
页数:6
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