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MIXED-LIGAND COMPLEXES OF COPPER WITH AMINO-ACIDS AND TARTRATE USING DIFFERENTIAL PULSE POLAROGRAPHY .1.
Faculty
Science
Year:
1992
Type of Publication:
Article
Pages:
59-62
Authors:
KILLA, HM, GHONEIM, MM, MABROUK, ESM
Journal:
TRANSITION METAL CHEMISTRY CHAPMAN HALL LTD
Volume:
17
Research Area:
Chemistry
ISSN
ISI:A1992HE90900014
Keywords :
MIXED-LIGAND COMPLEXES , COPPER WITH AMINO-ACIDS , TARTRATE
Abstract:
The differential pulse (d.p.) polarography technique was used to study simple and mixed ligand complexes of copper(II) with tartrate anions and amino-acids (threonine, valine and isoleucine). The reduction of simple and mixed complexes was reversible and diffusion controlled, one mixed complex being formed in each case. The formation constants of simple and mixed complexes have been calculated. The mixing constants of ternary systems as well as the stabilization constants were also calculated. The formation constants of the ternary complexes were calculated statistically and compared with the observed values.
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