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ÖNORM EN 15491:2007-12
Действует
Ethanol as a blending component for petrol - Determination of total acidity - Colour indicator titration method
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This standard specifies a method for determining the total acidity, calculated as acetic acid, of ethanol to be used in petrol blends. It is applicable to ethanol having total acid contents of between 0,001 % (m/m) to 0,015 % (m/m).
ICS
71.080.60 Alcohols. Ethers / Спирты. Эфиры