Volumetric and Viscometric Analyses for L-Glutamic Acid in NaCl Aqueous Solutions at Different Temperatures

被引：21

作者：

Iulian, Olga ^{[1
]}

Stefaniu, Amalia ^{[2
]}

机构：

[1] Univ Politehn Bucuresti, Fac Appl Chem & Mat Sci, Bucharest 011061, Romania

[2] Natl Inst Chem Pharmaceut Res & Dev, Bucharest 031299, Romania

来源：

JOURNAL OF SOLUTION CHEMISTRY | 2013年 / 42卷 / 03期

关键词：

L-glutamic acid; Electrolyte; Density; Viscosity; Transfer volumes; PARTIAL MOLAR VOLUMES; AMINO-ACIDS; REFRACTIVE-INDEX; SALT-SOLUTIONS; WATER; VISCOSITY; PEPTIDES; BEHAVIOR; ACETATE; DENSITY;

D O I：

10.1007/s10953-013-9976-y

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 physico-chemical property data for l-glutamic acid in aqueous NaCl solutions were obtained at 0, 0.5, 1.0 and 2.0 mol center dot kg(-1) NaCl and amino acid molalities from 0 to 0.0669 mol center dot kg(-1) between 293.15 and 323.15 K. The influence of NaCl addition on the volumetric and viscometric properties of the amino acid has been studied. From the experimental densities, the apparent molar volumes and transfer volumes of l-glutamic acid in aqueous electrolyte solutions have been calculated. The viscosity data in the studied domain of amino acid molalities have led to the evaluation of the Falkenhagen and Jones-Dole viscosity coefficients of l-glutamic acid in NaCl aqueous solutions. The results have been discussed in terms of interactions occurring in the systems.

引用

页码：676 / 689

页数：14

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