Enthalpic interactions between some amino acids and cyclohexanone in aqueous solutions at 298.15 K

被引：1
|
作者：
Yu, Li [1 ]
Zhu, Yan
Zhang, Honglin
Pang, Xianhong
Geng, Fei
机构：
[1] Shandong Univ, Minist Educ, Key Lab Colloid & Interface Chem, Jinan 250100, Peoples R China
[2] Taishan Med Coll, Dept Chem & Chem Engn, Tai An 271000, Peoples R China
[3] Qufu Normal Univ, Dept Chem, Qufu 273165, Peoples R China
来源：
THERMOCHIMICA ACTA | 2006年 / 448卷 / 02期
关键词：
amino acid; cyclohexanone; heterotactic enthalpic pair-wise interaction coefficient; solute-solute interactions;
D O I：
10.1016/j.tca.2006.07.009
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The enthalpies of mixing of glycine, L-alpha-alanine, L-gamma-aminobutyric acid, L-alpha-valine, L-alpha-serine and L-alpha-threonine with cyclohexanone in aqueous solutions and their respective enthalpies of dilution have been measured by calorimetry at 298.15 K. Experimental enthalpies of dilution and mixing have been correlated with the virial expansion equation that was obtained with the MeMillan-Mayer theory. The enthalpic interaction parameters h(xy),h(xxy) and h(xyy) of the amino acids studied with cyclohexanone in aqueous solutions have been evaluated, and the heterotactic enthalpic pair interaction coefficients (h(xy)) are discussed in terms of solute-solute interactions. (c) 2006 Elsevier B.V All rights reserved.
引用
收藏
页码：154 / 156
页数：3
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