Mixed-Ligand Complex Formation of Cu(II) with 1,2-Diphenylethylenediamine as Primary Ligand and Amino Acids as Secondary Ligands

Siham A. Lahsasni; Reda A. Ammar; Mona F. Amin; Eman M. Shoukry

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Mixed-Ligand Complex Formation of Cu(II) with 1,2-Diphenylethylenediamine as Primary Ligand and Amino Acids as Secondary Ligands

机译：以1,2-二苯基乙二胺为主要配体和氨基酸为次要配体的Cu（II）混合配体络合物形成

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The binary and ternary systems of Cu(II) complexes with 1,2-diphenylethylenediamine (A) as primaryligand and amino acids (L) as secondary ligands are investigated. The stability constants of thecomplexes were determined potentiometrically in 50% (v/v) dioxane-water media at 25 C and I = 0.10mol/L NaClO4. The relative stabilities of the ternary complexes are determined and compared withthose of the corresponding binary c omplexes in terms of their log K values. Species distribution ofall complexes in solution was evaluated.

机译：研究了以1,2-二苯乙二胺（A）为主要配体和氨基酸（L）为二级配体的Cu（II）配合物的二元和三元体系。在25°C和I = 0.10mol / L NaClO4下，在50％（v / v）二恶烷-水介质中以电位滴定法测定复合物的稳定常数。确定三元络合物的相对稳定性，并根据其log K值与相应的二元络合物的相对稳定性进行比较。评价溶液中所有复合物的种类分布。

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《International Journal of Electrochemical Science》 |2012年第8期|共13页
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Siham A. Lahsasni; Reda A. Ammar; Mona F. Amin; Eman M. Shoukry;
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Mixed-Ligand Complex Formation of Cu(II) with 1,2-Diphenylethylenediamine as Primary Ligand and Amino Acids as Secondary Ligands

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