ISO/DIS 33408

Guidance for the production of pure inorganic substance certified reference materials

General information

Current stage: 40.99 Effective date: 27 qer 2025

Originator: ISO

Owner: ISO/TC 334

Type: International Standard

Scope

This document notes the requirements of ISO 17034, and provides specific guidance on technical considerations for the production of pure metals or their corresponding crystalline sals certified reference materials (CRMs).
In this document, reference to a CRM is limited to solid pure metal and crystalline salt certified reference materials, including candidate materials, unless otherwise noted.

Life cycle

NOW

IN_DEVELOPMENT
ISO/DIS 33408
40.99 Full report circulated: DIS approved for registration as FDIS
27 qer 2025