30.20 Aug 1, 2026
ISO
ISO/TC 47
International Standard
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.
PROJECT
ISO/CD 25789-1
30.20
CD study/ballot initiated
Aug 1, 2026
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