Comparison of C-14 liquid scintillation counting at NIST and NRC Canada

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DOIResolve DOI: http://doi.org/10.1016/j.apradiso.2015.11.007
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TypeArticle
Journal titleApplied Radiation and Isotopes
ISSN0969-8043
SubjectBenzoic acid; Efficiency; Paraffins; Benzoate; Bilateral comparison; CNET; Hexadecane; Shape factor; Spectrum shape; TDCR; Triple-to-double coincidence ratio; Scintillation
AbstractAn informal bilateral comparison of 14C liquid scintillation (LS) counting at the National Research Council of Canada (NRC) and the National Institute of Standards and Technology (NIST) has been completed. Two solutions, one containing 14C-labeled sodium benzoate and one containing 14C-labeled n-hexadecane, were measured at both laboratories. Despite observed LS cocktail instabilities, the two laboratories achieved accord in their standardizations of both solutions. At the conclusion of the comparison, the beta spectrum used for efficiency calculations was identified as inadequate and the data were reanalyzed with different inputs, improving accord.
Publication date
PublisherElsevier
LanguageEnglish
AffiliationNational Research Council Canada; Measurement Science and Standards
Peer reviewedYes
NPARC number21277336
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Record identifier74e203a8-a033-4dff-8f76-32eb45844cf8
Record created2016-03-09
Record modified2016-05-09
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