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ISO 1279:1996

Current Revision

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

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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.


SDO ISO: International Organization for Standardization
Document Number ISO 1279
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 54
Publish Date Document Id Type View
Not Available ISO 1279:1996 Revision