期刊
JOURNAL OF SOLUTION CHEMISTRY
卷 36, 期 7, 页码 923-937出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10953-007-9158-x
关键词
amino acids; DMA; standard partial molar volume; hydration number
The apparent molar volumes, V-phi, of glycine, L-alanine and L-serine were obtained in aqueous 0 to similar to 4 mol center dot kg(-1) N,N-dimethylacetamide (DMA) solutions from density measurements at 298.15 and 308.15 K. The standard partial molar volume, V-phi(o) and standard partial molar volumes of transfer, Delta V-tr(phi)o, were determined for these amino acids. It has been shown that hydrophilic-hydrophilic interactions between charged groups of the amino acids and the -CON= group of DMA are predominant in the case of glycine and L-serine, but for L-alanine the interactions between its side group (-CH3) and DMA are predominant. An increase in temperature increases the standard partial molar volumes but decreases the transfer volumes of the amino acids. The results have been interpreted in terms of cosphere overlap model.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据