ISO 7611:1985

Oils of lemon and petitgrain citronnier, and oil of lime obtained by a mechanical process — Determination of citral (neral + geranial) content — Gas chromatographic method on capillary columns

Publication date: 18 dhj 1985

95.99 Withdrawal of Standard 14 korr 2006

General information

Current stage: 95.99 Effective date: 14 korr 2006

Originator: ISO

Owner: ISO/TC 54

Type: International Standard

ICS: 71.100.60

Gjuha: frëngjisht anglisht

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Statusi: Shfuqizuar

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Scope

The method consists in analyzing a small quantity of essential oil on a column of small diameter but great length under specified conditions. The citral content is determined by using the internal standard method. Polyethylene glycol 20000 is used as stationary phase. Operating temperatures: Oven: linear temperature programming from 80 to 180 °C at a rate of 2 °C/min. Injection system: about 190 to 200 °C. Detector: 200 to 250 °C, maximum.

Life cycle

NOW

WITHDRAWN
ISO 7611:1985
95.99 Withdrawal of Standard
14 korr 2006

REVISED BY

PUBLISHED
ISO 855:2003

PUBLISHED
ISO 8899:2003

PUBLISHED
ISO 3519:2005