EN 15491:2021
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Ethanol as a blending component for petrol - Determination of total acidity - Colour indicator titration method
24-11-2021
31-05-2022
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).NOTEFor 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.
| Committee |
CEN/TC 19
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Withdrawn
|
| Supersedes |
| Standards | Relationship |
| PN-EN 15491:2022-04 | Identical |
| ÖNORM EN 15491:2022 01 01 | Identical |
| I.S. EN 15491:2021 | Identical |
| NS-EN 15491:2021 | Identical |
| SS-EN 15491:2021 | Identical |
| BS EN 15491:2021 | Equivalent |
| DS/EN 15491:2021 | Identical |
| UNE-EN 15491:2022 | Identical |
Access your standards online with a subscription
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.