Thermodynamics of mixed-ligand complex formation of copper(II) ethylenediaminetetraacetate with amino acids in solution

被引：3

作者：

Bazanova, M. A. ^{[1
]}

Pyreu, D. F. ^{[1
]}

Kozlovskii, E. V. ^{[1
]}

机构：

[1] Ivanovo State Univ, Ivanovo 153025, Russia

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2013年 / 112卷 / 03期

关键词：

Thermodynamic parameters; Mixed-ligand complex; Copper (II) ethylenediaminetetraacetate; Amino acid; Denticity; STABILITY-CONSTANTS; AQUEOUS-SOLUTION; METAL-COMPLEXES; HISTIDINE; ZINC; PHENYLALANINE; SYSTEMS; NICKEL;

D O I：

10.1007/s10973-012-2659-x

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The mixed-ligand complex formation in the systems Cu2+-Edta(4-)-L (L = His, Lys, Orn, Arg, Im) has been calorimetrically, pH-potentiometrically, and spectrophotometrically studied in aqueous solution at 298.15 K and the ionic strength of I = 0.5 (KNO3). The thermodynamic parameters of formation of the CuEdtaL, CuEdtaHL, and (CuEdta)(2)L complexes have been determined. The probable coordination mode for the complexone and the ancillary ligand in the mixed-ligand complexes was discussed.

引用

页码：1545 / 1551

页数：7

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