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Derivative activation analysis of phosphorus at ppb levels in water samples

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Abstract

A neutron activation analysis procedure has been developed for the indirect determination of phosphorus as orthophosphate at ppb levels, via the formation of antimonyl phosphomolybdic acid. The complex is adsorbed on Sephadex G-25 resin and the antimony is estimated through NAA, allowing the determination of phosphorus. The procedure provides an easy method to adopt for the routine determination of phosphorus at ≧10 ng ml−1 levels with good precision, in water samples.

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Authors and Affiliations

  1. Analytical Chemistry Division, Bhabha Atomic Research Centre, Trombay, 400 085, Bombay, India

    J. Arunachalam, Anna John & S. Gangadharan

Authors
  1. J. Arunachalam
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  2. Anna John
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  3. S. Gangadharan
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Arunachalam, J., John, A. & Gangadharan, S. Derivative activation analysis of phosphorus at ppb levels in water samples. Journal of Radioanalytical and Nuclear Chemistry Letters 155, 33–43 (1991). https://doi.org/10.1007/BF02164319

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  • DOI: https://doi.org/10.1007/BF02164319

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