Enthalpies of dilution of glycine, l-serine and l-valine in mixtures of water and N,N-dimethylformamide at 298.15 K

被引：39

作者：

Ren, XL ^{[1
]}

Ni, YM

Lin, RS

机构：

[1] Tongji Univ, Anal & Res Ctr, Shanghai 200092, Peoples R China

[2] Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China

来源：

THERMOCHIMICA ACTA | 2000年 / 348卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

glycine; l-serine; l-valine; DMF; enthalpies of dilution;

D O I：

10.1016/S0040-6031(99)00358-5

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Enthalpies of dilution of glycine, l-serine and l-valine dissolved in mixtures of water and N,N-dimethylformamide (DMF) with mass percent of DMF 0, 5, 15, 25, 35 and 45, respectively, have been measured with an LKB 2277 Bio Activity Monitor at 298. 15 K. It was found that pairwise enthalpic interaction coefficients h(2) of glycine and l-serine decrease with increasing DMF content in mixed solvents, while the influence of DMF on h2 values of l-valine is not obvious. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：19 / 24

页数：6

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