Standard Swedish standard · SS-ISO 33405:2024

Reference materials — Approaches for characterization and assessment of homogeneity and stability (ISO 33405:2024, IDT)

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Standard Swedish standard · SS-ISO 33405:2024

Reference materials — Approaches for characterization and assessment of homogeneity and stability (ISO 33405:2024, IDT)
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Scope
This document explains concepts and provides approaches to the following aspects of the production of reference materials (RMs): — the assessment of homogeneity; — the assessment of stability and the management of the risks associated with possible stability issues related to the properties of interest; — the characterization and value assignment of properties of a reference material (RM); — the evaluation of uncertainty for certified values; — the establishment of the metrological traceability of certified values. The guidance given supports the implementation of ISO 17034. Other approaches can also be used as long as the requirements of ISO 17034 are fulfilled. Brief guidance on the need for commutability assessment (6.11) is given in this document, but no technical details are provided. A brief introduction for the characterization of qualitative properties (9.6 to 9.8) is provided, together with brief guidance on sampling such materials for homogeneity tests (7.4.1.2). However, statistical methods for the assessment of the homogeneity and stability of RMs for qualitative properties are not covered. This document is also not applicable to multivariate quantities, such as spectral data. NOTE values. ISO 334063) gives more information on the production of RMs with one or more qualitative property

Subjects

Chemical reagents (71.040.30)


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Standard Swedish standard · SS-ISO 33405:2024

Reference materials — Approaches for characterization and assessment of homogeneity and stability (ISO 33405:2024, IDT)
Subscribe on standards - Read more Dölj
Price: 1 731 SEK
standard ikon pdf

PDF

Price: 1 731 SEK
standard ikon

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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-82087156

Edition: 1

Approved: 5/3/2024

No of pages: 112