The influence of temperature and concentration on viscous flow of solutions of Et4NBF4 in propylene carbonate

被引：8

作者：

Afanas'ev, V. N. ^{[1
]}

Tyunina, E. Yu. ^{[1
]}

Chekunova, M. D. ^{[2
]}

机构：

[1] Russian Acad Sci, Inst Solut Chem, Ivanovo, Russia

[2] Ivanovo State Architecture & Bldg Acad, Ivanovo, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2009年 / 83卷 / 12期

关键词：

LITHIUM HEXAFLUOROARSENATE; GAMMA-BUTYROLACTONE; AQUEOUS-SOLUTIONS; VISCOSITY; ELECTROLYTES; TETRAFLUOROBORATE; COMPRESSIBILITY; 25-DEGREES-C; VOLUMES;

D O I：

10.1134/S0036024409120127

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：

Solutions of tetraethylammonium tetrafluoroborate in propylene carbonate were studied by viscometry and densimetry over the concentration range 0.08-1 mol/kg at 283.15, 298.15, and 308.15 K. The concentration dependence of the viscosity of solutions was described by the Angell and Bachinskii equations. The thermodynamic parameters of activation of viscous flow of solutions of Et4NBF4 in propylene carbonate were estimated using the approach suggested by Eyring and Andrade. The solvation of tetraethylammonium tetrafluoroborate in propylene carbonate was found to be insignificant. The activation energy of viscous flow in solutions remained constant over the temperature range studied. Viscous flow was largely determined by solvent destructuring as the concentration of the electrolyte and temperature increased.

引用

页码：2069 / 2073

页数：5

共 26 条

[1] Effect of ultrasound on transport properties of nonaqueous solutions of lithium hexafluoroarsenate [J].