An aliquot portion of a standard solution of sodium lauryl sulfate is titrated with a solution of the test sample, according to the direct two-phase titration procedure describes in ISO 2271. The method is applicable to solids or to aqueous solutions of the active material. The relative molecular mass of the cationic-active matter shall be known or previously determined if its content is expressed as a percentage by mass. The method is not applicable if anionic surface-active agents are present.

General information

  • Status :  Withdrawn
    Publication date : 1988-10
  • Edition : 1
    Number of pages : 2
  • :
    ISO/TC 91
    Surface active agents
  • 71.100.40
    Surface active agents

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