A CUBIC EQUATION OF STATE FOR METHANOL AND ETHANOL VAPORS

被引：5

作者：

MASSUCCI, M ^{[1
]}

WORMALD, CJ ^{[1
]}

机构：

[1] UNIV BRISTOL,SCH CHEM,BRISTOL BS8 1TS,AVON,ENGLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1992年 / 88卷 / 24期

关键词：

D O I：

10.1039/ft9928803547

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Vapour-phase thermodynamic properties of methanol and ethanol have been fitted to a cubic equation of state with two temperature-dependent parameters. The parameter a(T) is fitted to the second virial coefficient, and the parameter c(T) is fitted to saturated vapour densities. The equation gives good values of thermodynamic properties up to 0.98T(c) and at pressures up to p(c). Vapour pressures are accurate to ca. 1%, vapour densities to 2% and enthalpy increments to 1%.

引用

页码：3547 / 3552

页数：6

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