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Determination of neptunium using controlled potential coulometry

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Abstract

A method for controlled potential coulometric determination of neptunium by titration with internally electrolytically generated iron(II) has been developed. The method involves oxidation of Np to Np(VI) by Ce(IV), destruction of excess of Ce(IV) by NaNO2 followed by determination of neptunium by reduction of Np(VI) to Np(IV) by internal generation of Fe(II). The method was employed for various neptunium solution samples and a precision of ±0.25% at 2–5 mg level of neptunium was obtained.

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Authors and Affiliations

  1. Fuel Chemistry Division, Bhabha Atomic Research Centre, Trombay, 400 085, Bombay, (India)

    U. M. Kasar, A. R. Joshi & S. K. Patil

Authors
  1. U. M. Kasar
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  2. A. R. Joshi
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  3. S. K. Patil
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Kasar, U.M., Joshi, A.R. & Patil, S.K. Determination of neptunium using controlled potential coulometry. Journal of Radioanalytical and Nuclear Chemistry, Articles 150, 369–376 (1991). https://doi.org/10.1007/BF02035324

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  • DOI: https://doi.org/10.1007/BF02035324

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