DS EN 15721:2013
DS EN 15721:2013 Ethanol As A Blending Component For Petrol - Determination Of Higher Alcohols, Methanol And Other Impurities - Gas Chromatographic Method Defines 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) from 0,1%