Status : Published (Under review)
This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
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Abstract

The determination is carried out as follows: Titration of an aliquiot portion of a sample solution with benzethonium chloride solution according to the direct two-phase titration procedure describes in ISO 2271. Hydrolysis by refluxing under alkaline conditions of a second aliquot portion of the sample solution. Titration of unhydrolyzed anionic-active matter with benzethonium chloride solution as before. Calculation of the contents of hydrolyzable and non-hydrolyzable anionic-active matter from the results obtained.

General information

  • Status
     : Published
    Publication date
     : 1973-12
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 91
    ICS :
    71.100.40 
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