VISCOSITY OF AMINO ACIDS IN METHANOL-WATER MIXTURES

被引：3

作者：

Liu Wenbin ^{[1
]}

Wang Jianji ^{[1
]}

Wang Cailan ^{[1
]}

Lu Jinsuo ^{[1
]}

机构：

[1] Hoaon Normal Univ, Dept Chem, Xining, Peoples R China

来源：

ACTA PHYSICO-CHIMICA SINICA | 1992年 / 8卷 / 06期

关键词：

Viscosity B coefficient; Solvation; Partial molar volume; Activation parameter;

D O I：

10.3866/PKU.WHXB19920606

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：

Viscosities and densities at 203.15 and 208.15 K are reported in this paper for glycine and DL-alanine in methanol-water mixed solvent. The viscosity B coefficients and partial molar volumes at infinite dilution have been calculated. The experimental results show that B coefficients ronob a minimum at about 15% for glycine and 25% for DL-alanine respectively. The effect of amino acids on solvent structure has been discussed. Also, the activation parameters for viscous flow for amino acids in methanol-water mixtures have been calculated.

引用

页码：742 / 748

页数：7