Amperometric titrations of cobalt(II) with hexacyanoferrate(III) in ammonium citrate and glycine media.
An amperometric titration of cobalt(II) with hexacyanoferrate(III) in aqueous ammonium citrate or aqueous glycine solution at pH 9.8 or pH 8.0 respectively, is reported. Cobalt concentrations of 2-30 mg/l were successfully determined. In citrate solutions cerium(III) and iron(III) interfered, and in glycine solutions, copper(II) and vanadium(V).
Malik
W U
WU
Chemistry Department University of Roorkee Roorkee, India.
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