The express simultaneous neutron activation determination of gold,palladium and platinum |
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Authors: | G. V. Veriovkin E. N. Gilbert V. A. Mikhailov |
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Affiliation: | (1) The Institute of Hydrometallurgy of Non-Ferrous Metals (“Gidrotsvetmet”), Novosibirsk, USSR;(2) Kemerovo State University, Kemerovo, USSR |
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Abstract: | The method of express neutron-activation (NA) determination of Au, Pd and Pt has been developed. The method is based on the quantitative isolation of198Au+199Au and109Pd activities by extraction with organic sulfides. The radiation of109Pd is measured on a thin NaI(Tl) crystal and that of198Au and199Au on a Ge(Li) detector. The calculations of interferences from gold have been performed for various neutron fluxes and various cadmium ratios. Some interferences introduced by other competitive nuclear reactions into the determination of Pt by its daughter isotope199Au are discussed. |
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