ISO 6121:1988 Preview

Surface active agents -- Technical alkane sulfonates -- Determination of alkane monosulfonates content by direct two-phase titration

The determination is carried out in a consisting of an aqueous phase and a chloroform phase, in the presence of sodium sulfate, by titration against a standard volumetric cationic-active solution (benzethonium chloride), in the presence of an indicator consisting of a mixture of a cationic dye (dimidium bromide) and an anionic dye (acid blue 1).


General information

  • Current status : Published
    Publication date : 1988-06
  • Edition : 2
    Number of pages : 3
  • :
    ISO/TC 91
    Surface active agents
  • 71.100.40
    Surface active agents

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