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3. Example
3.1 With certified reference materials
This is an example where the measurand is defined independently of a standardized method. The aim is to illustrate the proposed approach through the example of cadmium analysis in soil by ICP-AES (inductively coupled plasma atomic emission spectrometry).
The measurement process is illustrated in figure 6 .
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Conclusion
Bibliography
Bibliography
Standards
- Reference materials – Establishment and expression of metrological traceability of assigned values to reference materials - ISO/TR16476 - 2016
- Reference materials – Selected terms and definitions - ISO Guide 30 - 2015
- Reference materials – Contents of certificates, labels and accompanying documentation - ISO Guide 31 - 2015
- Reference materials – Good practice in the use of reference materials - ISO Guide...
Organizations
BAM Bundesanstalt für Materialforschung und prüfung https://www.bam.de
BIPM Bureau International des Poids et Mesures (international metrology organization) http://www.bipm.org
Databases
COMAR (reference materials database) http://www.comar.bam.de
EPTIS European Proficiency Testing Information System http://www.eptis.bam.de
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