Amino acid hydration in aqueous magnesium and sodium sulfate solutions

被引：1
|
作者：
Korolev, V. P. [1 ]
Serebryakova, A. L. [1 ]
机构：
[1] Russian Acad Sci, GA Krestov Inst Solut Chem, Ivanovo, Russia
来源：
JOURNAL OF STRUCTURAL CHEMISTRY | 2014年 / 55卷 / 01期
关键词：
partial volume; amino acids; water-salt systems; group contributions; hydration numbers; PARTIAL MOLAR VOLUMES; HYDROGEN-BOND STRUCTURE; UREA SOLUTIONS; SALT-SOLUTIONS; ION SOLVATION; LIQUID WATER; DEGREES-C; ELECTROLYTES; CHLORIDE; NONELECTROLYTES;
D O I：
10.1134/S0022476614010119
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
We study the partial volumes of amino acids in aqueous magnesium and sodium sulfate solutions, which have a different effect on the structure of water, and calculate the structural parameters of hydrated complexes of NH (3) (+) and COO- groups: hydration numbers and water volumes inside and outside the hydration shell. The hydration numbers are given as a sum of the contributions of the interactions in the ternary (water-salt-amino acid) and binary (water-salt) systems.
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页码：72 / 76
页数：5
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