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Neutron activation analysis of noble metals in vegetation

  • Environmental Analysis
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Abstract

Detection limits are presented for the platinum metals in vegetation for different neutron activation analysis conditions, namely, short irradiation, cyclic and long irradiations both thermally and epithermally. These detection limits for instrumental neutron activation analysis are compared with those using preconcentration technique—dry ashing and fire assay and post irradiation separation of the platinum metals using Srafion NMRR in exchange resin. The results are evaluated for plant material and it is concluded that dry ashing followed by cyclic, epithermal irradiation for rhodium and palladium and long, thermal irradiations for osmium, platinum, iridium and ruthenium enable these elements to be detected in plants at background levels.

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Authors and Affiliations

  1. Department of Botany&Biochemistry, Westfield College, Kidderpore Avenue, NW3 7ST, London, (England)

    I. M. Valente & P. J. Peterson

  2. University of London Reactor Centre, Silwood Park, Sunninghill, SL5 7PY, Ascot, Berkshire, (England)

    M. J. Minski

Authors
  1. I. M. Valente
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  2. M. J. Minski
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  3. P. J. Peterson
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Valente, I.M., Minski, M.J. & Peterson, P.J. Neutron activation analysis of noble metals in vegetation. J. Radioanal. Chem. 71, 115–127 (1982). https://doi.org/10.1007/BF02516144

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  • DOI: https://doi.org/10.1007/BF02516144

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