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WJPR

World Journal of Pharmaceutical Research

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An International Peer Reviewed Journal for Pharmaceutical and Medical Research and Technology

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Abstract

STABILITY CONSTANTS OF MIXED LIGAND COMPLEXES OF TRANSITION METAL(II) IONS WITH 1-[(1E)-N-(2-BROMO-6- METHYLPHENYL)ETHANIMIDOYL]NAPHTHALEN-2-OL AND 2- {(E)-[(4-CHLOROPHENYL)IMINO]METHYL}PHENOL.

Atmaram K. Mapari*

Abstract

Binary and ternary complexes of the type M-Y and M-X-Y [M = Co(II), Ni(II), Cu(II) and Zn(II); X = 2-{(E)-[(4- chlorophenyl)imino]methyl}phenol and Y = 1-[(1E)-N-(2-bromo-6- methylphenyl)ethanimidoyl]naphthalen-2-ol have been examined pHmetrically at 27 ± 0.5oC and at constant ionic strength, μ = 0.1 M (KCl) in 75 : 25 (v/v) 1,4-dioxne-water medium. The stability constants for Binary (M-Y) and ternary (M-X-Y) systems were calculated.

Keywords: Binary complexes, Ternary complexes, Mixed ligand, Stability constant.

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