ISO 1983:1977
w
ISO 1983:1977
6715

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 

  •  :  Withdrawn
     : 1977-11
  •  : 1
     : 2
  •  : ISO/TC 47 Chemistry
  •  :
    71.060.30 Acids

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