Animal and vegetable fats and oils -- Gas chromatography of fatty acid methyl esters -- Part 3: Preparation of methyl esters using trimethylsulfonium hydroxide (TMSH)
适用范围:ISO 12966-3:2009 specifies a rapid base-catalysed transesterification method for fats and oils with trimethylsulfonium hydroxide to prepare fatty acid methyl esters. The method is exclusively applicabl...
发布日期:2009-12-01 实施日期:2009-12-01
Animal and vegetable fats and oils - Gas chromatography of fatty acid methyl esters - Part 3: Preparation of methyl esters using trimethylsulfonium hydroxide (TMSH)
适用范围:This Standard specifies a rapid base-catalyzed transesterification method of fats and oils with trimethylsulfonium hydroxide (TMSH) to prepare fatty acid methyl esters. The method is exclusively usable...
实施日期:2010-04-01
实施日期:2010-01-31
Polyglycols for industrial use -- Determination of hydroxyl number -- Phthalic anhydride esterification method
适用范围:The hydroxy groups present in a test portion are esterified with phthalic anhydride. The excess phthalic anhydrids is hydrolyzed and the phthalic acid formed is neutralized with standard volumetric sod...
发布日期:1981-09-01 实施日期:1981-09-01
实施日期:2011-02-01
Polyglycols for industrial use. Determination of hydroxyl number. Phthalic anhydride esterification method.
Binders for paints and varnishes - Methylation and silylation of fatty acids and analysis by gas chromatography
适用范围:The document describes a methods for gas chromatographic separation and determination of fatty acids in oils and mixtures of fatty acids as fatty acid methyl ester or silyl ester. Additionally it descr...
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