Some aspects of quality assessment of the k0-based method of NAA |
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Authors: | Borut Smodiš |
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Affiliation: | (1) Department of Nuclear Chemistry, Joef Stefan Institute, Jamova 39, P.O. Box 100, SLO-61111 Ljubljana, Slovenia |
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Abstract: | Neutron activation analysis is one of the analytical techniques often used for certification of reference materials. The k0-based method of instrumental neutron activation analysis can also be applied in intercomparison runs in the certification process and therefore it is desirable to know its accuracy in advance. Possible systematic errors related to the application of nuclear data at given neutron flux rate parameters, that can affect the uncertainties of the results obtained by this specific method, are elucidated and error propagation factors calculated for a typical irradiation position in the TRIGA Mark II reactor of the Jozef Stefan Institute. It was found that these uncertainties are at the level of 1–2% on the average. |
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Keywords: | accuracy quality assessment instrumental neutron activation analysis uncertainty |
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