Journal
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
Volume 257, Issue 3, Pages 659-663Publisher
KLUWER ACADEMIC PUBL
DOI: 10.1023/A:1026116916580
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A suite of natural matrix reference materials (RMs) were used to assess the quality of analytical results obtained by k(o)-instrumental neutron activation analysis (k(o)-INAA) at the Jozef Stefan Institute (US). Five certified reference materials (CRMs) from the Institute for Reference Materials and Measurements (IRMM), two standard reference materials (SRMs) from the National Institute of Standards and Technology (NIST), three RMs from the International Atomic Energy Agency (IAEA) and one RM from US were analyzed. Altogether, results for twenty-four elements in inorganic matrices and twenty-nine elements in organic matrices, obtained by k(o)-INAA, were compared to certified values. Results obtained show good agreement with certified or assigned values except for Fe, La, Nd, Sm and U in inorganic matrices, and Ag, Al and Cr in organic matrices.
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