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Complex formation of some 3d-metal(II) ions with anthranilic acid N,N-diacetic acid in the absence and in the presence of some typical bidentate (N,N), (N,O-) and (O-,O-) donor ligands
G N MUKHERJEE, S BANDYOPADHYAY, A DAS
Published in SCIENTIFIC PUBL-INDIA
2003
Volume: 80
   
Issue: 1
Pages: 7 - 10
Abstract
pH-metric investigation on the complex formation equilibria of Co II, NiII, CuII and ZnII (M II) with anthranilic acid N,N-diacetic acid (H3ada) in the absence and presence of 1.10-phenanthroline (phen), bipyridine (bipy), ethylenediamine (en), glycinate (gly-) and oxalate (ox2-) (B) in aqueous solution at 25 ± 1° at a fixed ionic strength, I = 0. 1 M (NaNO3) indicates the formation of simple binary complexes M(ada) and M(B) and ternary complexes M(ada)(B). M(ada)(B) complexes are formed according to equilibria M(B) + adaH ⇋ M(ada)(B) + H, with B = phen and bipy, and M(ada) + BH ⇋ M(ada)(B) + H, with B = en, gly- and ox2- ligands. Stability constants of the complexes have been evaluated by computerized method.
About the journal
JournalJournal of the Indian Chemical Society
PublisherSCIENTIFIC PUBL-INDIA
ISSN0019-4522