PREN 15721-2012 Ethanol as a blending component for petrol - Determination of higher alcohols@ methanol and volatile impurities - Gas chromatographic method
"This European Standard specifies a gas chromatographic method for ethanol@ in which higher alcohols (propan-1-ol@ butan-1-ol@ butan-2-ol@ 2-methylpropan-1-ol (isobutanol)@ 2-methylbutan-1-ol@ and 3-methylbutan-1-ol) up to 2@5 % (m/m)@ methanol up to 3 % (m/m) and other volatile impurities@ in the range up to 2 % (m/m) are determined. Due to possible interferences the method is not applicable to denatured ethanol samples. NOTE For the purposes of this European Standard@ the term ""% (m/m)"" is used to represent the mass fraction (??."
PREN 15721-2012 history
2012PREN 15721-2012 Ethanol as a blending component for petrol - Determination of higher alcohols@ methanol and volatile impurities - Gas chromatographic method