Ion-Ion and Ion-Solvent Interactions of Tetraalkyl Ammonium Bromide in Mixed DMF-Water Systems at Different Temperatures

被引：6

作者：

Hemalatha, B. ^{[1
]}

Vasantharani, P. ^{[1
]}

Vijayakumari, K. Karthikeyani ^{[1
]}

机构：

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

来源：

JOURNAL OF SOLUTION CHEMISTRY | 2009年 / 38卷 / 08期

关键词：

Free volume; Internal pressure; Solvation number; Viscosity B-coefficient; Ion-ion and ion-solvent interaction; VISCOSITY B-COEFFICIENTS; PARTIAL MOLAR VOLUMES; ELECTROLYTE-SOLUTIONS; CARBONATE; MIXTURES;

D O I：

10.1007/s10953-009-9422-3

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：

Density (rho), viscosity (eta) and ultrasonic velocity (U) of tetraethylammonium bromide (TEAB) and tetrapropylammonium bromide (TPAB) in 10, 20 and 30% of N,N-dimethylformamide (DMF) and water mixtures have been measured as a function of electrolyte concentration at 303, 308 and 313 K. The experimental values of rho,eta and U are used to calculate free volume (V (f)), internal pressure (pi (i)), solvation number (S (n)) and viscosity B-coefficient. These parameters are used to discuss the ion-solvent and ion-ion interactions and structure making tendency of the electrolyte.

引用

页码：947 / 955

页数：9

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