STUDIES ON QUATERNARY MIXED–LIGAND COMPLEXES OF SOME TRANSITION METALS

Potentiometric evidences have been cited for the formation of 1:1:1:1 quaternary complexes of the type MABC [where M(II) = Cu(II), Ni(II) and Zn(II), A = nitrilotriacetic acid (NTA), B = oxalic acid (OX) and C = ethylenediamine (en) or 1,2-propanediamine (pn)]. Formation constants and free energies...

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Bibliographic Details
Published in:Current science (Bangalore) 1981-01, Vol.50 (16), p.706-708
Main Authors: KHANNA, Km. SUJATA, SHARMA, R. C., CHATURVEDI, G. K.
Format: Article
Language:English
Subjects:
Ligands
Metal ions
Titration
Transition metals
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Summary:Potentiometric evidences have been cited for the formation of 1:1:1:1 quaternary complexes of the type MABC [where M(II) = Cu(II), Ni(II) and Zn(II), A = nitrilotriacetic acid (NTA), B = oxalic acid (OX) and C = ethylenediamine (en) or 1,2-propanediamine (pn)]. Formation constants and free energies of formation have also been evaluated at 25 ± 1° C.
ISSN:0011-3891