Acoustical and excess thermodynamic studies of molecular interaction in aqueous mixed solvent systems at 303, 308 and 313 K

被引：20

作者：

Palani, R. ^{[1
]}

Geetha, A. ^{[1
]}

机构：

[1] Annamalai Univ, Dept Phys, DDE, Annamalainagar 608002, Tamil Nadu, India

来源：

PHYSICS AND CHEMISTRY OF LIQUIDS | 2009年 / 47卷 / 05期

关键词：

ultrasonic velocity; excess thermodynamic parameters; interaction parameter; hydrogen bonding; BINARY-LIQUID MIXTURES; MOLAR VOLUMES; REFRACTIVE-INDEX; PLUS WATER; VISCOSITIES; 1,4-DIOXANE; N; N-DIMETHYLFORMAMIDE; DIMETHYLSULFOXIDE; TETRAHYDROFURAN; CYCLOHEXANE;

D O I：

10.1080/00319100802562862

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：

Ultrasonic velocity (U), density (rho) and viscosity (eta) for the ternary liquid mixtures of water + propylene glycol + tetrahydrofuran, water + propylene glycol + dimethylformamide, water + propylene glycol + dimethylsulphoxide and water + propylene glycol + 1,4-dioxane have been measured as a function of the composition at 303, 308 and 313 K. The experimental data have been used to calculate some excess thermodynamical parameters such as excess viscosity (eta(E)), excess free volume (V(f)(E)), excess Gibb's free energy (Delta G(E)) and interaction parameter (d). The results are discussed and interpreted in terms of structural and specific interaction predominated by hydrogen bonding.

引用

页码：542 / 552

页数：11

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