Determination of Elemental Concentrations in Nine CMEA Rock and Ore Standards,in NBS 98 Plastic Clay and in Fired Clay Gent (FCG) by Instrumental Neutron Activation Analysis* |
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| Authors: | Joyce K FROST |
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| Abstract: | Data for as many as 31 elements were determined by instrumental thermal neutron activation analysis for nine European Council for Mutual Economic Assistance (CMEA) rock and ore standards. The National Bureau of Standards plastic clay 98 and the University of Gent fired clay FCG were also analyzed. Synthetic, multielement standards were used and USGS rock standards provided reference samples. Correction factors for uranium fission products on cerium and molybdenum, and also for less commonly encountered spectral interferences, such as those due to the 213 ppm tantalum in granitoid 2B, were evaluated. |
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