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Coulometric determination of uranium and iron or plutonium in a single aliquot using platinum working electrode

Abstract

A controlled potential coulometric method developed earlier for the determination of uranium in the presence of iron or plutonium using platinum working electrode was extended for individual determination of uranium and iron or plutonium in single aliquot. After uranium determination, Fe(III) or Pu(IV) in the aliquot is reduced electrolytically to Fe(II) or Pu(III) and subsequently determined by electrolytic oxidation to Fe(III) or Pu(IV), respectively. Analysis of synthetic solutions indicated that the values for uranium, iron and plutonium obtained by this method are reproducible within±0.2% and are in good agreement with values obtained using conventional redox methods 1, 2.

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References

  1. 1.

    W. Davies, W. Gray,Talanta, 11 (1964) 1203.

  2. 2.

    J. L. Drummond, R. A. Grant,Talanta, 13 (1966) 477.

  3. 3.

    A. R. Joshi, U. M. Kasar,J. Radioanal. Nucl. Chem., (Communicated).

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Joshi, A.R., Kasar, U.M. Coulometric determination of uranium and iron or plutonium in a single aliquot using platinum working electrode. Journal of Radioanalytical and Nuclear Chemistry Letters 146, 401–405 (1990). https://doi.org/10.1007/BF02199262

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Keywords

  • Oxidation
  • Iron
  • Physical Chemistry
  • Platinum
  • Inorganic Chemistry