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Determination of arsenic in a KRISS candidate Oyster Tissue certified reference material by instrumental neutron activation analysis
Ist Teil von
Journal of radioanalytical and nuclear chemistry, 2008, Vol.275 (1), p.155-159
Ort / Verlag
Dordrecht: Springer Netherlands
Erscheinungsjahr
2008
Quelle
SpringerLink
Beschreibungen/Notizen
The comparator instrumental neutron activation analysis (INAA) method was used for certification of arsenic in Korea Research Institute of Standards and Science (KRISS) reference materials 108-04-001 (Oyster Tissue). The certified value was determined by analyzing one sample of approximately 0.15 g from ten bottles selected by random sampling. Potentially significant sources of uncertainty were taken into consideration using the guideline given by ISO. A complete evaluation of all sources of uncertainty yielded an expanded uncertainty for the mean value of this reference material of 4.7% at approximately 95% level of confidence.