Ethanol as a blending component for petrol - Determination of total acidity - Colour indicator titration method

This European 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 0,003 % (m/m) to 0,015 % (m/m).
NOTE   For the purposes of this European Standard, the term “% (m/m)” and “% (V/V)” are used to represent the mass fraction and the volume fraction respectively.
WARNING — Use of this standard may involve hazardous materials, operations and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Ethanol zur Verwendung als Blendkomponente in Ottokraftstoff - Bestimmung der Gesamtsäurezahl - Farbindikator-Titration

Diese Europäische Norm legt ein Prüfverfahren fest zur Bestimmung der Gesamtsäurezahl, angegeben als Essigsäure, von Ethanol als Blendkomponente in Ottokraftstoff. Das Prüfverfahren ist anwendbar für Gesamtsäurezahlen im Bereich von 0,001 % (m/m) bis 0,015 % (m/m).
ANMERKUNG 1   Weitere Anmerkungen zu Blendkomponenten für Kraftstoffe und zur Anwendbarkeit sind im Vorwort aufgeführt.
ANMERKUNG 2   Für die Zwecke dieser Europäischen Norm werden „% (m/m)“ und „% (V/V)“ anstelle der Begriffe „Massenanteil in Prozent“ oder „Volumenanteil in Prozent“ verwendet.

Ethanol comme base de mélange a l'essence - Détermination de l'acidité totale - Méthode de titrage par indicateur coloré

La présente Norme européenne prescrit une méthode pour la détermination de l’acidité totale, exprimée en équivalent d’acide acétique, dans l’éthanol utilisé comme constituant d’essence pour automobiles. Elle s’applique aux échantillons d’éthanol ayant une acidité totale comprise entre 0,003 % (m/m) et 0,015 % (m/m).
NOTE   Pour les besoins de la présente Norme européenne, les termes « % (m/m) et « % (V/V) » sont utilisés pour représenter la fraction massique et la fraction volumique, respectivement.
AVERTISSEMENT — L'utilisation de la présente Norme européenne peut impliquer l'intervention de produits, d'opérations et d'équipements à caractère dangereux. La présente Norme européenne n'est pas censée aborder tous les problèmes de sécurité concernés par son usage. Il est de la responsabilité de l'utilisateur de consulter et d'établir des règles de sécurité et d'hygiène appropriées et de déterminer l'applicabilité des restrictions réglementaires avant utilisation.

Etanol kot komponenta za dodajanje motornemu bencinu – Določevanje celotne kislosti - Titracijska metoda z barvnim indikatorjem

General Information

Status
Withdrawn
Publication Date
24-Oct-2007
Withdrawal Date
09-Dec-2021
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
09-Dec-2021
Due Date
01-Jan-2022
Completion Date
10-Dec-2021

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Ethanol as a blending component for petrol - Determination of total acidity - Colour indicator titration methodEthanol comme base de mélange a l'essence - Détermination de l'acidité totale - Méthode de titrage par indicateur coloréEthanol zur Verwendung als Blendkomponente in Ottokraftstoff - Bestimmung der Gesamtsäurezahl - Farbindikator-TitrationTa slovenski standard je istoveten z:EN 15491:2007SIST EN 15491:2007en75.160.20Liquid fuels71.080.60Alkoholi. EtriAlcohols. EthersICS:SLOVENSKI

STANDARDSIST EN 15491:200701-december-2007

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 15491August 2007ICS 71.080.60 English VersionEthanol as a blending component for petrol - Determination oftotal acidity - Colour indicator titration methodEthanol comme base de mélange à l'essence -Détermination de l'acidité totale - Méthode de titrage parindicateur coloréEthanol zur Verwendung als Blendkomponente inOttokraftstoff - Bestimmung der Gesamtsäurezahl -Farbindikator-TitrationThis European Standard was approved by CEN on 30 June 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36

B-1050 Brussels© 2007 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15491:2007: E

EN 15491:2007 (E) 2 Contents Page Foreword.............................................................................................................................................................3 1 Scope......................................................................................................................................................4 2 Normative references...........................................................................................................................4 3 Terms and definitions...........................................................................................................................4 4 Principle.................................................................................................................................................4 5 Reagents and materials........................................................................................................................4 6 Apparatus..............................................................................................................................................5 7 Sampling and sample handling...........................................................................................................6 8 Procedure..............................................................................................................................................6 9 Calculation.............................................................................................................................................6 10 Expression of results............................................................................................................................6 11 Precision................................................................................................................................................7 11.1 General...................................................................................................................................................7 11.2 Repeatability, r......................................................................................................................................7 11.3 Reproducibility, R.................................................................................................................................7 12 Test report.............................................................................................................................................7 Bibliography.......................................................................................................................................................8

EN 15491:2007 (E) 3 Foreword This document (EN 15491:2007) has been prepared by Technical Committee CEN/TC 19 “Gaseous and liquid fuels, lubricants and related products of petroleum, synthetic and biological origin”, the secretariat of which is held by NEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2008, and conflicting national standards shall be withdrawn at the latest by February 2008. This document was prepared by CEN/TC 19’s Ethanol Task Force and is based on the Energy Institute standard IP 538 [1]. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EN 15491:2007 (E) 4 1 Scope This European 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 0,003 % (m/m) to 0,015 % (m/m). NOTE For the purposes of this European Standard, the term “% (m/m)” and “% (V/V)” are used to represent the mass fraction and the volume fraction respectively. WARNING — Use of this standard may involve hazardous materials, operations and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN ISO 3170, Petroleum liquids — Manual sampli

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