Kinetics and Thermodynamics of the Formation of Compounds of Calcium Ions and Amino Acids: Their Structure and Stability

被引：12

作者：

Golovanova, O. A. ^{[1
]}

Tomashevsky, I. A. ^{[1
]}

机构：

[1] Omsk State Univ, Omsk 644053, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2019年 / 93卷 / 01期

关键词：

complexation; amino acids; thermodynamics; stability of complexes; potentiometry; kinetics of formation; COMPLEX-FORMATION; METAL-IONS; CRYSTALLIZATION; HISTIDINE; FEATURES; OXALATE; LIGAND; MODEL;

D O I：

10.1134/S0036024419010084

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：

Thermodynamic constants of the stability of coordination compounds and their thermodynamic potentials of complexation in water solutions at 298 K are determined. Kinetic characteristics of the complexation reaction between calcium ions and amino acids in water solutions at 298 K are calculated. The ability of calcium ions to coordinate different amino acids as ligands is shown, and a tendency in the complexation of amino acids with different structures is established. Coordination compounds are studied via potentiometric titration using mathematical means of treating data.

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页码：7 / 17

页数：11

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