Reference number
ISO 6121:1988
© ISO 2024
International Standard
ISO 6121:1988
Surface active agents — Technical alkane sulfonates — Determination of alkane monosulfonates content by direct two-phase titration
Edition 2
1988-06
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Published (Edition 2, 1988)
This publication was last reviewed and confirmed in 2024. Therefore this version remains current.

ISO 6121:1988

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Format
CHF 42
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Abstract

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

  • Status
     : Published
    Publication date
     : 1988-06
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 91
    ICS :
    71.100.40 
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