Thermodynamic properties of (an ethyl ester plus an n-alkane).: XI.: HME and VME values for {xCH3(CH2)uCOOCH2CH3+(1-x)CH3(CH2)2ν+1CH3} with u = 6, 7, 8, 10, 12, and 14, and ν = (1 to 7)

被引：14

作者：

Ortega, J ^{[1
]}

Plácido, J ^{[1
]}

Vidal, M ^{[1
]}

机构：

[1] Univ Las Palmas Gran Canaria, Escuela Super Ingenieros Ind, Lab Termodinam & Fisicoquim, Las Palmas Gran Canaria 35003, Spain

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 1999年 / 31卷 / 01期

关键词：

excess properties; mixtures; esters; alkanes;

D O I：

10.1006/jcht.1998.0435

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Excess molar enthalpies and excess molar volumes at the temperature 298.15K were determined for a set of 42 binary mixtures of six ethyl alkanoates (from octanoate to hexadecanoate) and seven odd n-alkanes (from pentane to heptadecane). Both properties were represented by a suitable equation. All mixtures presented positive excess enthalpy values, mainly due to the energetic effects of the van der Waals forces and dipole-dipole attractions, with low, or even negative excess volume values, except for the case of the mixtures that contained high molar mass hydrocarbons. Calculated curves obtained from group-contribution models did not represent well the experimental data. (C) 1999 Academic Press.

引用

页码：151 / 176

页数：26

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