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ISO/WD 25789-1

Chromium trioxide for industrial use — Part 1: Test methods

General information

Current stage: 20.99 Effective date: Jun 18, 2026

Originator: ISO

Owner: ISO/TC 47

Type: International Standard

Scope

The document specifies test methods for industrial Chromium trioxide properties, such as 1)chromium trioxide content，2)water insoluble substance, 3)chloride content, 4)sulphate content, 5)sodium element and 6)turbidity.

Life cycle

NOW

IN_DEVELOPMENT
ISO/WD 25789-1
20.99 WD approved for registration as CD
Jun 18, 2026