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Searching a robust reference value from intercomparison exercise data: Seaweed radionuclide Standard Reference Material (SRM4359)

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Abstract

The National Institute of Standards and Technology (NIST) seaweed Standard Reference Material (SRM4359) was developed through an intercomparison of 24 experienced laboratories. Several statistical techniques were evaluated for establishing reference values using the laboratories’ reported values including mean, midmean, median, Type B On Bias (BOB), Graybill-Deal, Mandel-Paule, Vangel-Rukhin, Cox and Maximum Likelihood. After reviewing the results from all these techniques, the median was chosen as a suitably robust way to calculate reference values. The uncertainties for the median values were estimated using bootstrap analysis.

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Authors and Affiliations

  1. National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, MD, 20899, USA

    I. Outola, J. Filliben & K. G. W. Inn

Authors
  1. I. Outola
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  2. J. Filliben
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  3. K. G. W. Inn
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Correspondence to I. Outola.

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Outola, I., Filliben, J. & Inn, K.G.W. Searching a robust reference value from intercomparison exercise data: Seaweed radionuclide Standard Reference Material (SRM4359). J Radioanal Nucl Chem 276, 329–334 (2008). https://doi.org/10.1007/s10967-008-0507-z

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  • DOI: https://doi.org/10.1007/s10967-008-0507-z

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