• Polarographic estimation of cadmium in presence of nickel, cobalt and bismuth

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    • Keywords


      Supporting Electrolyte; Potassium Ferrocyanide; Potassium Citrate; Nickel Sulphate; Amperometric Titration

    • Abstract


      Cadmium was estimated amperometrically using K4Fe (CN)6 as titrating agent, with an experimental inaccuracy of ± 0·5 per cent. In citrates employed as supporting electrolyte for the reduction at d.m.e. of Cd2+, the presence of Ni2+, Co2+ and Bi3+ did not interfere with the estimation, due to the formation of more stable citrate complexes of Ni2+, Co2+ and Bi3+ than the corresponding ferrocyanide complexes.

    • Author Affiliations


      H C Saraswat1

      1. Department of Chemistry, Christ Church College, Kanpur
    • Dates


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