Abstract
The certification measurement for the cadmium concentration in the samples as performed by Isotope Dilution (ID) using Inductively Coupled Plasma Mass Spectrometry (ICP-MS) is described in framework of the International Measurement Evaluation Programme (IMEP). By using a primary method of measurement (ID), making up a full uncertainty budget and using a sensitive technique (ICP-MS), reference values traceable to SI can be obtained for this material.
The uncertainty budget is performed in accordance with the ISO and EURACHEM guides on uncertainty. A comparison is made with certification results of other experienced laboratories also using primary methods where possible.
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Received: 8 July 1996/Revised 26 August 1996/Accepted: 1 September 1996
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Papadakis, I., Taylor, P. & Bièvre, P. SI-traceable values for cadmium concentration in the water samples of IMEP-6. Fresenius J Anal Chem 357, 1020–1023 (1997). https://doi.org/10.1007/s002160050297
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DOI: https://doi.org/10.1007/s002160050297