METAL-COMPLEXES WITH MACROCYCLIC LIGANDS .35. STABILITIES OF SOME BIVALENT METAL-ION COMPLEXES WITH 1,4,7-TRIAZACYCLONONANE-1-ACETIC ACID

被引：8

作者：

CAI, HZ ^{[1
]}

KADEN, TA ^{[1
]}

机构：

[1] INST INORGAN CHEM,SPITALSTR 51,CH-4056 BASEL,SWITZERLAND

来源：

HELVETICA CHIMICA ACTA | 1993年 / 76卷 / 01期

关键词：

D O I：

10.1002/hlca.19930760137

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The stability constants of the Mn2+, Zn2+, Ni2+, Pb2+, and Cd2+ complexes with 1,4,7-triazacylononane-1-acetic acid (noma) were determined at 25-degrees and 0.5m (KNO3) by potentiometric titrations. The species [ML] and [ML(OH)] were found in all cases except for Ni2+, whereas [ML2] was only detected for Cd2+. For the complexes [ML], the order of stability is Mn2+ < Cd2+ < Pb2+ < Zn2+ < Ni2+ < Cu2+, Which is consistent with the Irving-Williams series.

引用

页码：557 / 562

页数：6

共 23 条

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