Abstract 

Covers a method consisting in separating the fluorine from a test portion by distillation in the presence of perchloric acid, followed by potentiometric titration of the distillate with lanthanum nitrate solution using a fluoride ion-selective electrode. Is applicable to products having total available fluorine contents in the range between 15 and 35 % (m/m).


General information

  • Status :  Withdrawn
    Publication date : 1983-05
  • Edition : 1
    Number of pages : 5
  • :
    ISO/TC 47
    Chemistry
  • 71.060.30
    Acids

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