Thermodynamics and kinetics of calcium oxalate crystallization in the presence of amino acids

被引：8

作者：

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

Korol'kov, V. V. ^{[1
]}

机构：

[1] Omsk State Univ, Omsk 644077, Russia

来源：

CRYSTALLOGRAPHY REPORTS | 2017年 / 62卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

STABILITY-CONSTANTS; METAL-COMPLEXES; RISK;

D O I：

10.1134/S1063774517050078

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Specific features of the crystallization of calcium oxalates (CaC2O4) in the presence of amino acids have been established based on thermodynamic and experimental modeling. Phase formation in the Ca2+-C2O4 (2-)-H2O-amino acid system in a wide range of variation in the component concentrations and solution pH have been theoretically investigated. The influence of pH on the thermodynamic stability of crystallizing compounds is considered. The effect of amino acids of different structures on the formation of the CaC2O4 solid phase in a prototype of physiological solution is analyzed. The kinetic crystallization parameters (induction period and rate constant) and crystallite growth are determined.

引用

收藏

页码：787 / 796

页数：10

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