The principle consists in titration of a test portion with standard volumetric sodium hydroxide solution, using phenolphthalein as indicator. Calculation of the acid content, making allowance for any formic acid present, determined separately (see ISO 753/3). This International Standard has also been approved by the International Union of Pure and Applied Chemistry (IUPAC). International Standards ISO 753/1 to ISO 753/11 cancel and replace ISO Recommendation R 753-1968.

General information

  • Status :  Withdrawn
    Publication date : 1981-10
  • Edition : 1
    Number of pages : 2
  • :
    ISO/TC 47
  • 71.080.40
    Organic acids

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