Abstract Preview

Two cases are considered: sulphuric acid contents equal to or lower than 98 % (m/m) and sulphuric acid contents higher than 98 % (m/m). The principle is based on oxidation of a test portion with hydrogen peroxide and titration of the total acidity with a standard volumetric sodium hydroxide solution, in the presence of methyl red as indicator. - Replaces ISO Recommendation R 910-1968.


General information

  • Status :  Published
    Publication date : 1977-11
  • Edition : 1
    Number of pages : 3
  • :
    ISO/TC 47
    Chemistry
  • 71.060.30
    Acids

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