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A multi-element serum standard for neutron activation analysis
Authors:R Cornelis  A Speecke  J Hoste
Affiliation:Institute for Nuclear Science, Rijksuniversiteit Gent, Proeftuinstraat 86, B-9000 Gent, Belgium
Abstract:An annular 227AcBe isotopic neutron source, containing 6.6-Ci 227Ac, is described for application in fast and thermal neutron activation analysis, with high accuracy, for major constituents in ores, alloys and industrial concentrates. The characteristics of the neutron output and of the fast, epithermal and thermal flux and flux gradients is described in detail. The determination of manganese in pyrolusite ores and ferro-manganese is compared to results obtained previously with a cylindrical 1-Ci 226RaBe source. Two new sources of systematic errors have been discovered.
Keywords:Present address: Departumento de Quimica Analitica   Facultad de Ciencias   Universidad de Santiago de Compostela   Santiago de Compostela (Spain).
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