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Certification of reference materials for inorganic trace analysis: the INCT approach

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Abstract

This paper presents the work done by the Institute of Nuclear Chemistry and Technology (INCT), Warsaw on a procedure of the certification of matrix reference materials (CRMs) for inorganic trace analysis. The INCT has been involved in preparation and certification of that type of CRMs since 1986 till now. The certification of CRMs is performed on the basis of statistical evaluation of the data obtained from the worldwide interlaboratory comparison. The initially adopted certification procedure has been developed, and the final shape is presented and discussed. The modifications are connected with the new demands of the international standards. The results of analysis of candidate CRMs obtained by the potentially primary procedures based on radiochemical neutron activation analysis (RNAA) and results of analysis of CRM accompanying candidate RMs are applied in the certification process for quality assurance purpose.

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Authors and Affiliations

  1. Laboratory of Nuclear Analytical Methods, Institute of Nuclear Chemistry and Technology, Warsaw, Poland

    Halina Polkowska-Motrenko, Rajmund S. Dybczyński & Ewelina Chajduk

Authors
  1. Halina Polkowska-Motrenko
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  2. Rajmund S. Dybczyński
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  3. Ewelina Chajduk
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Correspondence to Halina Polkowska-Motrenko.

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Polkowska-Motrenko, H., Dybczyński, R.S. & Chajduk, E. Certification of reference materials for inorganic trace analysis: the INCT approach. Accred Qual Assur 15, 245–250 (2010). https://doi.org/10.1007/s00769-010-0649-x

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  • DOI: https://doi.org/10.1007/s00769-010-0649-x

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