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ISO 4322:1977

Non-ionic surface active agents — Determination of sulphated ash — Gravimetric method
1 maj 1977

General information

90.92     14 mar 2025

ISO

ISO/TC 91

International Standard

71.100.40  

frëngjisht   anglisht  

Buying

Publikuar

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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
90.92 Standard to be revised
14 mar 2025

REVISED BY

IN_DEVELOPMENT
ISO/CD 4322

National adoptions

Agjentët me aktivitet sipërfaqësor jo-jonikë - Përcaktimi i hirit të sulfatuar - Metoda gravimetrike

60.60 Standard published

DPS/KT 47 më tepër