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Characterization of the NIST shellfish Standard Reference Material 4358

  • S. Nour
  • K. G. W. Inn
  • J. Filliben
  • H. van der Gaast
  • L. C. Men
  • D. Calmet
  • T. Altzitzoglou
  • P. Povinec
  • Y. Takata
  • M. Wisdom
  • K. Nakamura
  • P. Vesterbacka
  • C. C. Huang
  • S. M. Vakulovsky
Article

Abstract

A new shellfish Standard Reference Material 4358 was developed by the National Institute of Standards and Technology through an international interlaboratory comparison that involved twelve laboratories-participants from nine countries. The results from the participants were statistically evaluated, and the most robust certified values were based on the median of laboratories’ reported means and the uncertainties derived using the bootstrap method. Massic activity certified values were established for fourteen radionuclides, five activity ratios, and informational massic activity values for eight more radionuclides and two activity ratios.

Keywords

Standard Reference Material Shellfish SRM Radionuclide Interlaboratory comparison Certified values Uncertainties Informational values 

Notes

Acknowledgments

The authors would like to acknowledge Dr. Zhichao Lin who was heavily involved in collecting and preparing the NIST Shellfish Material and Dr. John Sieber for X-ray fluorescence analysis of the material.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2012

Authors and Affiliations

  • S. Nour
    • 1
  • K. G. W. Inn
    • 1
  • J. Filliben
    • 1
  • H. van der Gaast
    • 2
  • L. C. Men
    • 3
  • D. Calmet
    • 4
  • T. Altzitzoglou
    • 5
  • P. Povinec
    • 6
  • Y. Takata
    • 7
  • M. Wisdom
    • 8
  • K. Nakamura
    • 9
  • P. Vesterbacka
    • 10
  • C. C. Huang
    • 11
  • S. M. Vakulovsky
    • 12
  1. 1.National Institute of Standards and TechnologyGaithersburgUSA
  2. 2.Australian Nuclear Science and Technology OrganizationMenaiAustralia
  3. 3.Institute of Nuclear Energy ResearchTaoyuanTaiwan
  4. 4.Institut de Radioprotection et de Sûreté NucléaireOrsayFrance
  5. 5.Institute for Reference Material and MeasurementsGeelBelgium
  6. 6.IAEA Marine Environment LaboratoryMonaco-VilleMonaco
  7. 7.Japan Chemical Analysis CenterChibaJapan
  8. 8.National Air and Radiation Environmental LaboratoryMontgomeryUSA
  9. 9.National Institute Radiological SciencesChibaJapan
  10. 10.Radiation and Nuclear Safety AuthorityHelsinkiFinland
  11. 11.Taiwan Radiation Monitoring CenterTaichungTaiwan
  12. 12.Scientific Production Association “Typhoon”ObninskRussia

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