International Standard
ISO 1279:1996
Essential oils — Determination of carbonyl value — Potentiometric methods using hydroxylammonium chloride
Reference number
ISO 1279:1996
Edition 3
1996-12
© ISO 2024
International Standard
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Published (Edition 3, 1996)
This standard was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 1279:1996

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CHF 42
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Abstract

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

  • Status
     : Published
    Publication date
     : 1996-12
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 3
    Number of pages
     : 6
  • Technical Committee :
    ISO/TC 54
    ICS :
    71.100.60 
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