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Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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
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10-03-2018
English, French
12-18-1985
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.
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