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Publication Citation: Characterization of the NIST Shellfish Standard Reference Material 4358

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Author(s): Svetlana Nour; Kenneth G. Inn; James J. Filliben; Hank dan der Gaast; Lee Chung Men; M.D. Calmet; P Povinec; Y Takata; M. Wisdom; K. Nakamura; Pia Vesterbacka; Ching-Chung Huang; S M. Vakulovsky;
Title: Characterization of the NIST Shellfish Standard Reference Material 4358
Published: March 01, 2013
Abstract: A new Shellfish Standard Reference Material (SRM 4358) was developed at the National Institute of Standards and Technology (NIST) via an international intercomparison project that involved 12 laboratories-participants from 9 countries (Table 1). This Standard Reference Material (SRM) has been developed in cooperation with member laboratories of the International Committee for Radionuclide Metrology and other experienced metrology laboratories. The SRM consists of approximately 150 grams shellfish powder that was freeze-dried, pulverized, bottled, and sterilized. The SRM is intended for use in tests of measurements of radioactivity contained in matrices similar to the sample, for evaluating analytical methods, and as a generally available calibrated ,realŠ sample matrix for laboratory intercomparison. The results from the participants were statistically evaluated, and the most robust certified values were the median of laboratories reported mean values; the uncertainties of the certified values were derived using the bootstrap method. Certified values were established for 14 radionuclides, 5 activity ratios, and informational values for 8 more radionuclides and 2 ratios.
Citation: Journal of Radioanalytical and Nuclear Chemistry
Pages: pp. 301 - 307
Keywords: certified values, informational values, interlaboratory comparison, radionuclide, shellfish, Standard Reference Material, uncertainties
Research Areas: Radiation Physics, Standard Reference Materials
DOI: http://dx.doi.org/10.1007/s10967-012-2204-1  (Note: May link to a non-U.S. Government webpage)