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Fresenius J Anal Chem. 2001 Jun;370(2-3):151-5.

Reference materials and certified reference materials for spectrometry in Romania.

Author information

  • 1National Institute of Metrology, Bucharest, Romania. office@inm.ro

Abstract

Several reference materials (RMs) and certified reference materials (CRMs) are widely used in Romania as measurement standards in different spectrochemical measurements. Among them, single element standard solution certified for their mass concentration play a key role in ensuring the required traceability of results expressed in this measurement unit. A short review of the locally available elemental RMs and CRMs used in atomic spectrometry or in other analytical techniques where aqueous standard solutions are required (usually called RMs or CRMs for spectrometry) is given. The experience of the INM in preparation and certification of such materials is described. Some aspects regarding their use for ensuring the accuracy and for confirmation of the traceability of analytical measurements, especially through calibration and metrological validation of main instrument performances, are discussed.

PMID:
11451227
[PubMed]
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