Status : Published (Under review)

This standard was last reviewed and confirmed in 2019. Therefore this version remains current.
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Abstract

A test portion is introduced into a solution of boric acid and the solution obtained is titrated with a standard volumetric solution of sulfuric acid in the presence of methyl red as indicator. The method is applicable to solutions containing not more than 35 % (m/m) of ammonia.

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General information

  • Status
     : Published
    Publication date
     : 1985-06
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 47
    ICS :
    71.060.40 
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