International Standard
ISO 4318:1989
Surface active agents and soaps — Determination of water content — Azeotropic distillation method
Reference number
ISO 4318:1989
Edition 2
1989-07
© ISO 2024
International Standard
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Published (Edition 2, 1989)
This standard was last reviewed and confirmed in 2019. Therefore this version remains current.

ISO 4318:1989

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Language
CHF 42
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Abstract

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.

General information

  • Status
     : Published
    Publication date
     : 1989-07
    Stage
    : International Standard under systematic review [90.20]
  • Edition
     : 2
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 91
    ICS :
    71.100.40 
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