ISO 2869:1973
ISO 2869:1973



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 

  •  :  Published
     : 1973-12
  •  : 1
     : 2
  •  : ISO/TC 91 Surface active agents
  •  :
    71.100.40 Surface active agents

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