EXCESS-ENTHALPIES AND EXCESS HEAT-CAPACITIES OF THE TERNARY-SYSTEM ETHANOL PLUS N,N-DIMETHYL-FORMAMIDE PLUS CYCLOHEXANE AT 298.15 K

被引：26

作者：

CONTI, G ^{[1
]}

GIANNI, P ^{[1
]}

LEPORI, L ^{[1
]}

MATTEOLI, E ^{[1
]}

机构：

[1] CNR,IST CHIM QUANTIST & ENERGET MOLEC,I-56126 PISA,ITALY

来源：

FLUID PHASE EQUILIBRIA | 1995年 / 105卷 / 01期

关键词：

EXPERIMENTS; DATA; EXCESS ENTHALPIES; EXCESS HEAT CAPACITIES; MIXTURES; POLAR; HYDROCARBONS;

D O I：

10.1016/0378-3812(94)02587-Q

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Excess enthalpies and excess heat capacities at 298.15 K for the ternary system ethanol + dimethylformamide + cyclohexane, and for the related binary mixtures;dimethylformamide + ethanol or cyclohexane, were determined by means of a flow calorimetric apparatus built in our laboratory. Experimental data were described with a Redlich-Kister type equation. H-E and C-P(E) data are positive in the whole region of miscibility; however, their ternary contributions to the excess quantities, referred to the combination of the Redlich-Kister representation of the parent binary mixtures, present opposite features. UNIQUAC and UNIFAC models were used for the description or prediction of experimental results.

引用

页码：93 / 107

页数：15

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