Standard

NS-EN ISO 12966-2:2017

Jul 2017 Published

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Abstract

ISO 12966-2:2017 specifies methods of preparing the methyl esters of fatty acids. It includes methods for preparing fatty acid methyl esters from animal and vegetable fats and oils, fatty acids and soaps. To cover different requirements, four methylation methods are specified, namely: a) a "rapid" transmethylation procedure under alkaline conditions; b) a "general" transmethylation/methylation procedure under sequential alkaline and acid conditions; c) a BF3 transmethylation procedure; d) an alternative procedure using acid-catalysed transmethylation of glycerides. Methyl esters so produced are used in various analytical procedures requiring such derivatives, e.g. gas-liquid chromatography (GLC), thin-layer chromatography (TLC) and infrared spectrometry (IR). Milk and milk products (or fat coming from milk and milk products) are excluded from the scope of this document.

Document information

Standard from SN
Published: 1 July 2017
Edition: 1
Version: 1
Document type: NAT
ISBN:

ICS 67.200.10
National Committee CEN/TC 307

Product Relations

Replaces: NS-EN ISO 12966-2:2011
Adopted from: EN ISO 12966-2:2017 , 0

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NS-EN ISO 12966-2:2011
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NS-EN ISO 12966-2:2017

NS-EN ISO 12966-2:2017

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