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Application of NAA standardization methods using a low power research reactor

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Abstract

Two widely used neutron activation analysis (NAA) standardization methods (relative and k 0) have been validated at the Ghana Research Reactor-1 (GHARR-1) Centre using environmental and biological standard reference materials (SRMs). The samples were IAEA Soil-7 as an environmental sample, and NIST Orchard Leaves 1571 as a biological sample. The qualitative and quantitative analyses were done using a high resolution Canberra N-type high purity germanium (HPGe) detector. The accuracy and precision were evaluated for the elements analysed. The concentrations of most of the elements were found to be within 10% of the certified values. Precision was calculated from six replicate measurements and was found to be within 15%.

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Authors and Affiliations

  1. Department of Physics National Nuclear Research Institute, G.A.E.C., National Nuclear Research Institute, P.O. Box LG 80, Legon-Accra, Ghana

    B. J. B. Nyarko

  2. Department of Nuclear Engineering, National Nuclear Research Institute, G.A.E.C., P.O. Box LG 80, Legon-Accra, Ghana

    E. H. K. Akaho

  3. Department of Chemistry, National Nuclear Research Institute, G.A.E.C., P.O. Box LG 80, Legon-Accra, Ghana

    Y. Serfor-Armah

Authors
  1. B. J. B. Nyarko
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  2. E. H. K. Akaho
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  3. Y. Serfor-Armah
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Nyarko, B.J.B., Akaho, E.H.K. & Serfor-Armah, Y. Application of NAA standardization methods using a low power research reactor. Journal of Radioanalytical and Nuclear Chemistry 257, 361–366 (2003). https://doi.org/10.1023/A:1024744131848

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