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A Method for Estimating the Certified Value Uncertainty of a Multicomponent Reference Material


This paper presents the results of a series of studies aimed at investigating the reference material (RM) of a multicomponent solution. An algorithm for estimating the uncertainty induced by the chemical element content in the RM is proposed taking into account the mass of the measurand in each component of the mixture. The results calculated according to the preparation procedure using the proposed algorithm were confirmed by the Monte Carlo method, while the elemental content in the mixture was confirmed via inductively coupled plasma optical emission spectroscopy. The applicability of weighted mean estimates for characterizing an RM of a multicomponent solution is shown.


  • Multicomponent reference material
  • Uncertainty
  • Pure substances
  • Traceability

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  • DOI: 10.1007/978-3-030-32534-3_17
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Fig. 1
Fig. 2



Reference material


Guide to the expression of uncertainty in measurement


Inductively coupled plasma mass spectrometry


Carrier gas hot extraction


Monte Carlo method


Inductively coupled plasma optical emission spectrometry


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We are grateful to Tatiana N. Tabatchikova, the leading engineer of UNIIM, for providing measurement results obtained using the ICP MS method.

Author Contribution Statement

Migal P. V.: Identification of the paper concept and metrology, data analysis, collection of literature data, obtainment of experimental data, preparation of the manuscript draft, computer manuscript preparation, preparation of the final manuscript.

Medvedevskikh S. V.: Concept and initiation of the research, methodological support, critical analysis and text processing.

Firsanov V. A.: Methodical and mathematical support for the works described in the article.

Conflict of Interest

One of the authors is a member of the Editorial Board of these proceedings.

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Correspondence to Pavel V. Migal .

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Migal, P.V., Medvedevskikh, S.V., Firsanov, V.A. (2020). A Method for Estimating the Certified Value Uncertainty of a Multicomponent Reference Material. In: Medvedevskikh, S., Kremleva, O., Vasil’eva, I., Sobina, E. (eds) Reference Materials in Measurement and Technology. RMMT 2018. Springer, Cham.

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