ISO 743:1976
w
ISO 743:1976
4995

Abstract 

The principle in dissolution of a test portion and separation of the insoluble matter. Precipitation of sulphate as barium sulphate in dilute hydrochloric acid medium. Separation of the precipitate obtained and ignition at 800 °C +- 25 °C and weighing. The method is applicable to products having a sodium sulphate content equal to or greater than 0,01 % (m/m). Replaces ISO Recommendation R 743-1968.


General information 

  •  :  Withdrawn
     : 1976-02
  •  : 1
     : 3
  •  : ISO/TC 47 Chemistry
  •  :
    71.060.50 Salts

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