ISO 1279:1996

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

Publication date: Dec 12, 1996

General information

Current stage: 90.93 Effective date: Jun 15, 2022

Originator: ISO

Owner: ISO/TC 54

Type: International Standard

ICS: 71.100.60

Languages: French English

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Status: Published

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Scope

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.

Life cycle

PREVIOUSLY

Revises
ISO 1279:1973

Revises
ISO 1279:1984

NOW

PUBLISHED
ISO 1279:1996
90.93 Standard confirmed
Jun 15, 2022

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