Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2012 Vol: 4 Issue: 8

Potentiometric studies of binary complexes of bivalent metal ions with 3, 5 dinitrosalicylic acid


The binary complexes of metal ions Fe+3,Co2+,Ni2+,Cu2+,Zn2+,Cd2+ with 3,5 Dinitrosalicylic acid as a ligand were studied in aqueous media using Irving Rosotti method. Acidity constant and stability constant were studied at 270C at ionic strength 1N NaNo3. Stability constants calculated by half integral method and point wise method were compared and found to follow Irving and Williams rule.