ISO 4322:1977 Preview

Non-ionic surface active agents -- Determination of sulphated ash -- Gravimetric method

The method consists in calcination of a test portion in the presence of sulphuric acid solution and weighing of the ash in form of sulphate.


General information

  • Status :  Published
    Publication date : 1977-05
  • Edition : 1
    Number of pages : 2
  • :
    ISO/TC 91
    Surface active agents
  • 71.100.40
    Surface active agents

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