0

ISO/CD 4322

Non-ionic surface active agents — Determination of sulphated ash — Gravimetric method ISO/CD 4322

General information

30.60   Close of voting/ comment period   May 13, 2026

ISO

ISO/TC 91 Surface active agents

International Standard

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

PREVIOUSLY

PUBLISHED
ISO 4322:1977

NOW

IN_DEVELOPMENT
ISO/CD 4322
30.60 Close of voting/ comment period
May 13, 2026




Access Genorma App Everywhere

Get fast and easy access to top European and International standards (EN, ISO, IEC) via your mobile phone, tablet or the web.

Google Play App Store Web Version