Thermodynamics of mixed-ligand complex formation of copper (II) ethylenediaminetetraacetate with hexamethylenediamine in an aqueous solution

Pyreu DF; Kozlovskii EV

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Thermodynamics of mixed-ligand complex formation of copper (II) ethylenediaminetetraacetate with hexamethylenediamine in an aqueous solution

机译：Thermodynamics of mixed-ligand complex formation of copper (II) ethylenediaminetetraacetate with hexamethylenediamine in an aqueous solution

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摘要

The mixed-ligand complex formation in the system Cu2+-Edta(4-)-(CH2)(6)(NH2)(2) (L), where L is hexamethylenediamine 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(2-), CuEdtaHL(-) (CuEdta)(2)L4- and (CuEdta)(2)En(4-) complexes have been determined. The most probable coordination mode for the complexone and the ancillary ligand in the mixed-ligand complexes was discussed.

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《Journal of thermal analysis and calorimetry》 |2010年第1期|355-360|共6页
作者
Pyreu DF; Kozlovskii EV;
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作者单位

Ivanovo State University, Ermak 39, Ivanovo 153025, Russia;

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正文语种英语
中图分类物理化学（理论化学）、化学物理学;
关键词
Thermodynamic parameters; Mixed-ligand complex; Copper (II) ethylenediaminetetraacetate; Hexamethylenediamine; Denticity;

Thermodynamics of mixed-ligand complex formation of copper (II) ethylenediaminetetraacetate with hexamethylenediamine in an aqueous solution

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