1991 Volume 64 Issue 6 Pages 1982-1984
New ligands, 1-(3,5-dichloro-2-pyridyl-azo)-2-naphthol, 2-(3,5-dichloro-2-pyridyl-azo)-5-(dimethylamino) phenol, and 2-(3,5-dichloro-2-pyridyl-azo)-5-(dimethylamino)benzoic acid, were synthesized. Changes in the reduction potentials and electronic spectra of the ligands upon complexation with Ni(II), Zn(II), and Cd(II) were studied. The dissociation constants of the ligands and the stability constants of their metal(II) complexes are discussed.
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