Norm

NEN-EN-ISO 12966-2:2011 en

Dierlijke en plantaardige vetten en oliën - Gaschromatografie van methylesters van vetzuren - Deel 2: Bereiding van methylesters van vetzuren

79,70

Over deze norm

Status Definitief
Aantal pagina's 15
Commissie Plantaardige en dierlijke oliën en vetten
Gepubliceerd op 01-02-2011
Taal Engels
This part of ISO 12966 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).

Details

ICS-code 67.200.10
Nederlandse titel Dierlijke en plantaardige vetten en oliën - Gaschromatografie van methylesters van vetzuren - Deel 2: Bereiding van methylesters van vetzuren
Engelse titel Animal and vegetable fats and oils - Gas chromatography of fatty acid methyl esters - Part 2: Preparation of methyl esters of fatty acids
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