ISO 33408:2025

International Standard   Current Edition · Approved on 24 October 2025

Guidance for the production of pure inorganic substance certified reference materials

ISO 33408:2025 Files

English 56 Pages
Current Edition
USD 253.39

ISO 33408:2025 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.

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