The excess molar volumes of (n-butylamine plus an ether) at the temperature 298.15 K and the application of the ERAS model

被引：29
作者：
Letcher, TM [1 ]
Goldon, A [1 ]
机构：
[1] TECH UNIV WARSAW,DEPT CHEM,PL-00664 WARSAW,POLAND
来源：
FLUID PHASE EQUILIBRIA | 1996年 / 114卷 / 1-2期
关键词：
experiments; ERAS theory; excess volume; molecular interactions; association;
D O I：
10.1016/0378-3812(95)02817-X
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The excess molar volumes V-m(E)[xCH(3)(CH2)(3)NH2 + (1-x)(CH3CH2)(2)O or (1-x){CH3(CH2)(2)}O-2 or (1-x){CH3(CH2)(3)}O-2 or (1-x){(CH3)(2)CH}O-2 or (1-x)CH3CH2C(CH3)(2)OCH3 or (1-x)CH3C(CH3)(2)OCH3 or (1-x)c-(CH2)(2)O(CH2)(2)O or (1-x)c-(CH2)(4)O or (1-x)c-(CH2)(5)O] have been calculated from measured values of density over the whole composition range at the temperature 298.15 K in order to investigate the interactions between CH3(CH2)(3)NH2 and ROR'. The V-m(E) values of the mixtures studied are positive with the exception of the mixtures [xCH(3)(CH2)(3)NH2 + (1-x)(CH3CH2)(2)O or + (1-x){(CH3)(2)CH}O-2 or + (1-x)CH3C(CH3)(2)OCH3]. For straight-chain, branched chain and cyclic ethers, V-m(E) increases with increasing molecular weight. Together with the previously reported data for the molar excess enthalpy, the V-m(E) data has been used to test the applicability of the ERAS model.
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页码：147 / 159
页数：13
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