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ILNAS-EN 15491:2021 Edition 11/2021
Ethanol as a blending component for petrol - Determination of total acidity - Colour indicator titration method
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Abstract

This document 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 0,003 % (m/m) and 0,015 % (m/m). NOTE For the purposes of this document, the terms "% (m/m)" and "% (V/V)" are used to represent the mass fraction and the volume fraction, respectively. WARNING - Use of this document can involve hazardous materials, operations and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to take appropriate measures to ensure the safety and health of personnel prior to the application of the document, and to fulfil statutory and regulatory restrictions for this purpose.

Status

Standard - Active

Origin

Technical Committee :
CEN/TC 19 : Gaseous and liquid fuels, lubricants and related products of petroleum, synthetic and biological origin

Implementation

start of the vote on the project    01/04/2021   date of ratification (dor)    11/10/2021
end of the vote on the project    24/06/2021   date of anouncement (doa)    28/02/2022
start of the vote on the final project    10/01/2022   date of publication (dop)    31/05/2022
end of the vote on the final project    07/03/2022   date of withdrawal (dow)    31/05/2022


Publication Official Journal
of the Grand-Duchy of Luxembourg
24/05/2022
Reference Mémorial A N° 244

Relations

Evolutions
prEN 15491

Relations to older standards
ILNAS-EN 15491:2007

International Classification for Standards (ICS codes) :

75.160.20 : Liquid fuels

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