Ethanol as a blending component for petrol. Determination of higher alcohols, methanol and other impurities. Gas chromatographic methodWhat is BS EN 15721 Determination of higher alcohols, methanol and other impurities about? BS EN 15721: 2013 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) from 0,1 % up to 2,5 % (m m), methanol from 0,1 % up to 3 % (m m) and other impurities, in the range from 0,1 % up to 2 % (m m) are determined.

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Why should you use BS EN 13544-3 - Air entrainment devices

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Why should you use BS EN 60034-29 - Rotating electrical machines

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