Essential oils Determination of carbonyl value Potentiometric methods using hydroxylammonium chloride

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Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

12-12-1996

Publisher

International Organization for Standardization

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.

DocumentType	Standard
Pages	6
PublisherName	International Organization for Standardization
Status	Current
Supersedes	ISO 1279:1984 ISO 1279:1973

Standards	Relationship
BS ISO 1279:1996	Identical
UNE 84163:2002	Identical
BIS IS 326-11-2 : 2017	Identical
NEN ISO 1279 : 1997	Identical
NF ISO 1279 : 1997	Identical

ISO 3849:2003	Oil of citronella, Sri Lankan type (Cymbopogon nardus (L.) W. Watson var. lenabatu Stapf.)
15/30298313 DC : 0	BS ISO 3848 - ESSENTIAL OIL OF CITRONELLA, JAVA TYPE
ISO 9909:1997	Oil of Dalmatian sage (Salvia officinalis L.)
BS ISO 3849:2003	Oil of citronella, Sri Lanka type [Cymbopogon nardus (L.) W. Watson var. lenabatu Stapf.]
ISO 3214:2000	Oil of Litsea cubeba (Litsea cubeba Pers.)
NF ISO 199909 : 1999	OIL OF DALMATIAN SAGE (SALVIA OFFICINALIS L.)
ISO 3216:1997	Oil of cassia, Chinese type (Cinnamomum aromaticum Nees, syn. Cinnamomum cassia Nees ex Blume)

ISO 1271:1983	Essential oils Determination of carbonyl value Free hydroxylamine method
ISO 212:2007	Essential oils Sampling
ISO 356:1996	Essential oils Preparation of test samples

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ISO 1279:1996

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