Partial molar and excess volumes and adiabatic compressibilities of binary mixtures of ethanolamines with water

被引：84

作者：

Hawrylak, B ^{[1
]}

Burke, SE ^{[1
]}

Palepu, R ^{[1
]}

机构：

[1] St Francis Xavier Univ, Dept Chem, Antigonish, NS B2G 2W5, Canada

来源：

JOURNAL OF SOLUTION CHEMISTRY | 2000年 / 29卷 / 06期

基金：

加拿大自然科学与工程研究理事会;

关键词：

ethanolamines; density; speed of sound; adiabatic compressibilities; excess properties; apparent and partial molar volumes;

D O I：

10.1023/A:1005198230692

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：

Speed of sound and densities of solutions of mixtures of seven ethanolamines with water were measured over the full range of composition at 25, 35, and 45 degrees C. Results of these measurements were used to calculate adiabatic compressibilities, excess volumes, partial molar and apparent molar volumes, and apparent molar compressibilities. Knowledge of the above properties of these mixtures are a basis for understanding some of the molecular interactions in these systems. From the analysis of the results, the type of interactions between the ethanolamines and water are discussed in terms of the number and size of the alkyl groups attached to the nitrogen atom of ethanolamine.

引用

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页码：575 / 594

页数：20

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