Committee Draft
ISO/CD 4322
Non-ionic surface active agents — Determination of sulphated ash — Gravimetric method
Reference number
ISO/CD 4322
Edition 2
© ISO 2025
Committee Draft
Under development
A draft is being reviewed by the committee.
Will replace ISO 4322:1977

Abstract

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.

General information

  • Status
     : Under development
    Stage
    : Committee draft (CD) registered [30.00]
  • Edition
     : 2
  • Technical Committee :
    ISO/TC 91
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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