ISO 7611:1985
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
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
Hardcopy , PDF
English, French
18-12-1985
09-04-2025
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.
| Committee |
ISO/TC 54
|
| DocumentType |
Standard
|
| Pages |
5
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy |
| ISO 855:2003 | Oil of lemon [Citrus limon (L.) Burm. f.], obtained by expression |
| BS ISO 855:2003 | Oil of lemon [Citrus limon (L.) Burm. f.], obtained by expression |
| UNE-ISO 855:2017 | Oil of lemon [Citrus limon (L.) Burm. f.], obtained by expression |
Access your standards online with a subscription
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.
Important note : Users cannot be edited or removed once added to your Multi user PDF.