Neutron activation analysis of 35 elements in Chinese standard rocks (GSR) and soils (GSS) using the SLOWPOKE reactor |
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| Authors: | J X Sun R E Jervis |
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| Institution: | (1) Application Division, Institute of High Energy Physics, Chinese Academy of Sciences, Peking, (China);(2) Department of Chemical Engineering and Applied Chemistry, University of Toronto, M5S 1A4 Toronto, (Canada) |
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| Abstract: | Concentrations of 35 elements in Chinese Standard Rocks (GSR-1 to GSR-3) and Soils (GSS-1 to GSS-8) have been measured with INAA using the SLOWPOKE reactor. At the same time, the U. S. NBS reference standards: SRM-1632a (Bituminous Coal), SRM-1633a (Coal Fly Ash) and SRM-1646 (Estuarine Sediment) were also analyzed in order to cross-check the accuracy of this method. The results obtained indicate that the reproducibility of the method is satisfactory for most of the elements, namely the precision in general, is better than ±10%. Comparison of our values for NBS SRM-1632a, 1633a and 1646 with the certified values of NBS or with values cited in the literature indicates good agreement. The results were found to be accurate within ±10% error of the established results. |
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