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  • BSI
    BS EN ISO 17059:2019 Oilseeds. Extraction of oil and preparation of methyl esters of triglyceride fatty acids for analysis by gas chromatography (Rapid method)
    Edition: 2019
    $307.97
    / user per year

Description of BS EN ISO 17059:2019 2019

This document specifies a rapid method for extraction of oil and for preparation of the methyl esters of fatty acids. The methyl esters thus obtained can be used for gas chromatography.

This document is applicable to the following oilseeds: rape and mustard with low erucic acid content (<Ã?Æ?ââ?¬Å¡Ã?â??Ã? 2Ã?Æ?ââ?¬Å¡Ã?â??Ã? %), sunflower, soya beans, linseed.

NOTE

Applying this rapid method to high erucic acid content rapeseed leads to an overestimation of erucic acid content by approximately a mass fraction of 1Ã?Æ?ââ?¬Å¡Ã?â??Ã? %. This difference was observed in ReferenceÃ?Æ?ââ?¬Å¡Ã?â??Ã? [ 6] and could be due to the partial extraction of the oil from the sample (yield around 70Ã?Æ?ââ?¬Å¡Ã?â??Ã? %). High content of erucic acid in triglycerides could increase their solubility in hexane because of the lipophilic effect of the carbon long-chain (C22). However, as this effect was not checked on a large set of high erucic rapeseed samples, it is not appropriate to apply a correction factor to the erucic acid content when analysing high erucic acid rapeseed.



Standard NumberBS EN ISO 17059:2019
TitleOilseeds. Extraction of oil and preparation of methyl esters of triglyceride fatty acids for analysis by gas chromatography (Rapid method)
StatusConfirmed
Publication Date2019-09-17
ReplacesBS EN ISO 17059:2009
Identical National Standard OfEN ISO 17059, ISO 17059
DescriptorsOilseeds, Specimen preparation, Gas chromatography, Esters (carboxylic), Vegetable oils, Chemical analysis and testing, Extraction methods of analysis, Methyl compounds, Fatty acids
ICS67.200.20 Oilseeds
CommitteeAW/307
ISBN978 0 539 00460 1
PublisherBSI
Pages16

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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