The method is applicable to sodium carbonate products having a sodium hydrogen carbonate contained in a test portion into sodium carbonate by addition of a known excess of sodium hydroxide, precipitation of all the carbonate by means of barium chloride an determination of the excess of sodium hydroxide by means of a standard volumetric hydrochloric acid solution.

General information

  • Status :  Withdrawn
    Publication date : 1976-02
  • Edition : 1
    Number of pages : 2
  • :
    ISO/TC 47
  • 71.060.50

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