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ISO 685:2020

Analysis of soaps — Determination of total alkali content and total fatty matter content

Publication date:   Feb 28, 2020

General information

90.93   Standard confirmed   Jun 5, 2025

ISO

ISO/TC 91 Surface active agents

International Standard

71.100.40   Surface active agents

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Scope

This document specifies a method for the simultaneous determination of the total alkali content and the total fatty matter content of soaps (including liquid soaps), excluding compounded products.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 685:1975

NOW

PUBLISHED
ISO 685:2020
90.93 Standard confirmed
Jun 5, 2025