Abstract 

The method is applicable to products yielding a quantity of sulphated ash equal to or less than 0.5 % (m/m). The principle is based on combustion of a test portion and calcination of the residue in the presence of sulphuric acid in a platinum or porcelain dish between 800 °C and 850 °C. Weighing of the residue thus obtained. - Replaces ISO Recommendation R 1616-1970.


General information

  • Status :  Withdrawn
    Publication date : 1976-02
  • Edition : 1
    Number of pages : 2
  • :
    ISO/TC 47
    Chemistry
  • 71.080.60
    Alcohols. Ethers

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