Changes in the structure of water in aqueous solutions of acetic acid, depending on concentration and temperature according to densitometry, viscosimetry, and IR spectroscopy data

被引：9
|
作者：
Masimov, E. A. [1 ]
Khasanov, G. Sh [1 ]
Pashaev, B. G. [1 ]
机构：
[1] Baku State Univ, AZ-1148 Baku, Azerbaijan
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2013年 / 87卷 / 06期
关键词：
acetic acid; aqueous solutions; activation parameters of viscous flow; structural temperature;
D O I：
10.1134/S0036024413060186
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：
The structural features of aqueous solutions of acetic acid are studied by means of viscosimetry, densimetry, and IR spectroscopy within the temperature range of 283.15-333.15 K and a concentration range of 0-80%. The results from our experiments are used to calculate the parameters of viscous flow activation, the structural temperature, the partial molar volume of acetic acid in the solution, the thermal expansion coefficient, and the energies and lengths of the hydrogen bonds between water molecules. The concentration dependences of these parameters are analyzed. Based on the obtained results, we conclude that acetic acid disrupts the structure of water.
引用
收藏
页码：948 / 951
页数：4
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