ISO 1279:1996 Preview

Essential oils -- Determination of carbonyl value -- Potentiometric methods using hydroxylammonium chloride

Gives two methods for the potentiometric determination of the carbonyl value of essential oils which contain carbonyl compounds. Method 1 is based on a cold oximation reaction with hydrxoylammonium chloride with exception of citronellal which need a low temperature to avoid cyclization phenomena and acetylization. Method 2 is based on a hot oximation reaction with hydroxylammonium chloride and applies to essential oils whose main constituents are ketones which are general oximable only with difficulty.


General information

  • Current status : Published
    Publication date : 1996-12
  • Edition : 3
    Number of pages : 6
  • :
    ISO/TC 54
    Essential oils
  • 71.100.60
    Essential oils

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