ISO 2871-1:1988
ISO 2871-1:1988


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 

  •  : Withdrawn
     : 1988-10
  •  : 1
     : 2
  •  : ISO/TC 91 Surface active agents
  •  :
    71.100.40 Surface active agents

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)