THERMODYNAMIC EXCESS PROPERTIES OF ALKANOL + AMINE MIXTURES AND APPLICATION OF THE ERAS MODEL

被引：86

作者：

REIMANN, R ^{[1
]}

HEINTZ, A ^{[1
]}

机构：

[1] UNIV HEIDELBERG,INST PHYS CHEM,NEUENHEIMER FELD 253,W-6900 HEIDELBERG,GERMANY

来源：

JOURNAL OF SOLUTION CHEMISTRY | 1991年 / 20卷 / 01期

关键词：

THERMODYNAMICS; LIQUID STATE; MIXTURES; EXCESS FUNCTIONS; ALCOHOLS; AMINES; HYDROGEN BONDING;

D O I：

10.1007/BF00651638

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：

New experimental data of the molar excess volume V(E) of the mixtures ethanol/n-butylamine, heptanol/n-butylamine, n-propanol/dibutylamine have been obtained using the technique of the vibrating tube densitometer. Together with the data for the molar excess enthalpy H(E) from the literature, the V(E) data have been used for testing the applicability of the socalled ERAS model which accounts for hydrogen bonding effects as well as for free volume effects in associating mixtures. The results obtained by adjusting the model parameters reveal a strong cross association between the unlike molecules in the mixture resulting from strong negative values for the hydrogen bonding energy and the hydrogen bonding volume.

引用

页码：29 / 37

页数：9

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