NF T60-233-2:2011 Animal and vegetable fats and oils - Gas chromatography of fatty acid methyl esters - Part 2 : preparation of methyl esters of fatty acids.
2011NF T60-233-2:2011 Animal and vegetable fats and oils - Gas chromatography of fatty acid methyl esters - Part 2 : preparation of methyl esters of fatty acids.
0000 NF T60-233:2000
1977NF T60-233:1977 VEGETABLE OR ANIMAL FATS AND OILS. PREPARATION OF METHYLESTERS OF FATTY ACIDS.