Standard Svensk standard · SS-ISO 33405:2024

Referensmaterial - Metoder för karakterisering och bedömning av homogenitet och stabilitet (ISO 33405:2024, IDT)

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Standard Svensk standard · SS-ISO 33405:2024

Referensmaterial - Metoder för karakterisering och bedömning av homogenitet och stabilitet (ISO 33405:2024, IDT)
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Omfattning
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

Ämnesområden

Kemisk reagens och referensmaterial (71.040.30)


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Standard Svensk standard · SS-ISO 33405:2024

Referensmaterial - Metoder för karakterisering och bedömning av homogenitet och stabilitet (ISO 33405:2024, IDT)
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Pris: 1 731 SEK
standard ikon pdf

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Produktinformation

Språk: Engelska

Framtagen av: Kemiska analysmetoder för metaller, SIS/TK 122

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

Artikelnummer: STD-82087156

Utgåva: 1

Fastställd: 2024-05-03

Antal sidor: 112