Speciation of L-ornithine complexes of cobalt-, copper- and zinc(II) in water-dimethylformamide mixtures

被引：0

作者：

Babu, MS

Rao, GN

Ramana, KV

Rao, MSP ^{[1
]}

机构：

[1] Andhra Univ, Sch Chem, Bioinorgan Chem Labs, Visakhapatnam 530003, Andhra Pradesh, India

[2] GITAM, Coll Engn, Dept Chem, Visakhapatnam 530045, Andhra Pradesh, India

来源：

JOURNAL OF THE INDIAN CHEMICAL SOCIETY | 2001年 / 78卷 / 06期

关键词：

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Speciation of L-ornithine complexes of Co-II, Cu-II and Zn-II has been investigated in 0-60% (v/v) water-NX-dimethylformamide media pH-metrically. The predominant species formed are CoL2H22+, CuL2H22+, CuL2H44+ and ZnL2H+ in addition to ML+, ML2 and MLH2+ for all the metals. The trend of stability constants with the solvent parameters shows the complexity of equilibria. The inclusion of solvent and water molecules in equilibria gives a complete picture of the speciation studies.

引用

页码：280 / 283

页数：4

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