DIN EN 15721:2013 作為汽油混合組分之一的乙醇. 高級(jí)醇, 甲醇和其他雜質(zhì)的測(cè)定. 氣相色譜法; 德文版本EN 15721-2013
Ethanol as a blending component for petrol - Determination of higher alcohols, methanol and other impurities - Gas chromatographic method; German version EN 15721:2013