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Standard
ISO 33406
First edition
Approaches for the production of
2024-05
reference materials with qualitative
properties
Approches pour la production de matériaux de référence avec des
propriétés qualitatives
Reference number
ISO 33406:2024(en) © ISO 2024
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ISO 33406:2024(en)
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© ISO 2024
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO 33406:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Qualitative properties . 1
5 Meeting technical and production requirements . 2
5.1 Characterization .2
5.1.1 General considerations .2
5.1.2 Materials characterized based on provenance .2
5.1.3 Materials characterized for identity based on measurements .2
5.1.4 Characterization by a combination of methods .3
5.2 Application of metrological traceability to qualitative determinations .4
5.2.1 General .4
5.2.2 Metrological traceability .5
5.2.3 Reference data and reference materials for qualitative determinations.5
5.2.4 Qualitative value assigned based on provenance .5
5.3 Measurement uncertainty and confidence in qualitative values .6
5.3.1 General considerations .6
5.3.2 Measurement uncertainty .6
5.3.3 Confidence in qualitative values .
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