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A versatile charged particle activation technique for the analysis of the noble metals

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Abstract

The general usefulness of neutron activation analysis (NAA) for samples containing the platinum group elements (PGE) and Au, either as major or trace constituents, is discussed. Charged particle activation is shown to be a viable or complementary alternative. Proton (6–10 MeV) and alpha particle (9–15 MeV) beams, produced in a Tandem van de Graaff accelerator, have been established to be the most effective choice. By taking advantage of the Coulomb barrier effect and the fact that many charged particle induced reactions have relatively large threshold values, the same instrumental technique can be applied, with minor modifications, to a wide range of materials.

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Authors and Affiliations

  1. Nuclear Physics Research Unit, University of the Witwatersrand, Johannesburg, South Africa

    M. Tredoux & J. P. F. Sellschop

  2. National Institute for Metallurgy, Randburg, South Africa

    J. I. W. Watterson & C. S. Erasmus

Authors
  1. M. Tredoux
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  2. J. P. F. Sellschop
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  3. J. I. W. Watterson
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  4. C. S. Erasmus
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Tredoux, M., Sellschop, J.P.F., Watterson, J.I.W. et al. A versatile charged particle activation technique for the analysis of the noble metals. J. Radioanal. Chem. 76, 171–180 (1983). https://doi.org/10.1007/BF02519667

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  • DOI: https://doi.org/10.1007/BF02519667

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