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Abstract Preview

A clear solution of the substance is titrated with a standard volumetric hydrochloric acid solution, in the presence of methyl orange or bromophenol blue as indicator. This method is only applicable when so indicated in the specific standard for each product; in particular, it is not suitable for products containing soaps.


General information

  • Status :  Published
    Publication date : 1977-02
  • Edition : 1
    Number of pages : 2
  • Technical Committee
    :
    ISO/TC 91
    Surface active agents
  • ICS :
    71.100.40
    Surface active agents

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  • CHF38

Life cycle

A standard is reviewed every 5 years



Revisions / Corrigenda

  • Now confirmed
    ISO 4315:1977

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