Mixed ligand complexes of lanthanum-Solution studies

被引：0
|
作者：
Das Manwal, D [1 ]
Rani, GU [1 ]
机构：
[1] Osmania Univ, Nizam Coll, Dept Chem, Hyderabad 500001, Andhra Pradesh, India
来源：
NATIONAL ACADEMY SCIENCE LETTERS-INDIA | 1999年 / 22卷 / 3-4期
关键词：
binary and ternary complexes; formation constant; lanthanum; amino acids;
D O I：
暂无
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The formation constants of the ternary complexes of lanthanum, chosing bipyridyl, 1, 10-phenanthroline, maltol, kojic acid or acetylacetone as primary ligands and amino acids (glycine, beta-alanine or phenylalanine) as auxiliary ligands, have been determined potentiometrically in aqueous medium and 0.1 M KNO3 at 30 degrees C. The stability order of these ternary complexes is in the order : phenylalanine > beta-alanine > glycine. Influence of the ligand structure on the stability of the complexes has been discussed.
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页码：52 / 54
页数：3
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