Complexes of europium(III) ion with two hydroxamic acids have been investigated by polarographic method of analysis at 30±0·1°C and μ=0·5M (KNO3). In both hydroxamic acids phenylacetohydroxamic acid (paha) and acetohydroxamic acid (AHA), the electrode reaction was found to be quasireversible in nature, hence Gelling's method was used for evaluation of reversible half-wave potential and kinetic parameters. Formation of Eu(III)-hydroxamic acid complex was observed with metal ligand ratio 1∶2 in aqueous solution.
Volume 134, 2022
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