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ISO 4322:1977

Non-ionic surface active agents — Determination of sulphated ash — Gravimetric method ISO 4322:1977

Publication date:   May 1, 1977

General information

90.20 Standard under periodical review   Apr 15, 2024

ISO

ISO/TC 91 Surface active agents

International Standard

71.100.40   Surface active agents

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Scope

The method consists in calcination of a test portion in the presence of sulphuric acid solution and weighing of the ash in form of sulphate.

Life cycle

NOW

PUBLISHED
ISO 4322:1977
90.20 Standard under periodical review
Apr 15, 2024