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ISO 4318:1989

Surface active agents and soaps — Determination of water content — Azeotropic distillation method

Jun 29, 1989

General information

90.92     Mar 14, 2025

ISO

ISO/TC 91

International Standard

71.100.40  

French   English  

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Published

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Scope

The water in a test portion is removed by azeotropic destillation with boiling xylene or petroleum. The volume of the water collected is measured. The method is applicable to products in the form of powders having water contents greater than 5 % (m/m), and in the form of pastes ans solutions. It is not applicable to samples containing water-soluble volatile compounds, for example ethanol.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4318:1978

NOW

PUBLISHED
ISO 4318:1989
90.92 Standard to be revised
Mar 14, 2025

REVISED BY

PROJECT
ISO/CD 4318

National adoptions

SRPS ISO 4318:2014  
ISS

Surface active agents and soaps — Determination of water content — Azeotropic distillation method

90.92   Standard to be revised

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