Abstract 

The principle of the method consists inevaporation of a test portion in a platinum dish, conversion of the residue to sulphates by treatment with sulphuric acid; ignition in an electric furnace, controlled at (800 +- 25) °C, and weighing. Replaces ISO Recommendation R 1983-1971.


General information

  • Status :  Withdrawn
    Publication date : 1977-11
  • Edition : 1
    Number of pages : 2
  • Technical Committee
    :
    ISO/TC 47
    Chemistry
  • ICS :
    71.060.30
    Acids

Life cycle

A standard is reviewed every 5 years



Revisions / Corrigenda

  • Now withdrawn
    ISO 1983:1977

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