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Comparison of (14)C liquid scintillation counting at NIST and NRC Canada.


ABSTRACT: An informal bilateral comparison of (14)C 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 (14)C-labeled sodium benzoate and one containing (14)C-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.

SUBMITTER: Bergeron DE 

PROVIDER: S-EPMC4937459 | biostudies-literature | 2016 Mar

REPOSITORIES: biostudies-literature

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Comparison of (14)C liquid scintillation counting at NIST and NRC Canada.

Bergeron Denis E DE   Galea Raphael R   Laureano-Pérez Lizbeth L   Zimmerman Brian E BE  

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine 20151106


An informal bilateral comparison of (14)C 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 (14)C-labeled sodium benzoate and one containing (14)C-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 th  ...[more]

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