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ISO 33408:2025

Guidance for the production of pure inorganic substance certified reference materials ISO 33408:2025

Publication date:   Oct 24, 2025

General information

60.60   Standard published   Oct 24, 2025

ISO

ISO/TC 334

International Standard

77.020   Production of metals

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Scope

This document gives specific technical guidance for the production of pure metals or their corresponding crystalline salt certified reference materials (CRMs) in accordance with the general requirements of ISO 17034.
This document is only applicable to solid pure metal and crystalline salt CRMs, including candidate materials, unless otherwise noted.

Life cycle

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PUBLISHED
ISO 33408:2025
60.60 Standard published
Oct 24, 2025




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