SIST EN 15490:2007
Ethanol as a blending component for petrol - Determination of pHe
Ethanol as a blending component for petrol - Determination of pHe
This European Standard describes a procedure for the determination of acid strength, as a pHe value, of ethanol to be used as a blend component for gasoline.
NOTE For the purposes of this European Standard, the term “% (V/V)” is used to represent the volume fraction.
Ethanol zur Verwendung als Blendkomponente in Ottokraftstoff - Bestimmung des pHe-Wertes
Ethanol comme base de mélange a l'essence - Détermination du pHe
La présente Norme européenne prescrit une procédure pour la détermination de l’acidité, sous forme de pHe, de l’éthanol utilisé comme base de mélange à l'essence pour automobiles.
Pour des informations supplémentaires concernant l'applicabilité de ce document, le lecteur peut se référer à l'Annexe A.
NOTE Pour les besoins de la présente Norme européenne, le terme « % (V/V) » est utilisé pour représenter la fraction volumique.
Etanol kot komponenta za dodajanje motornemu bencinu – Določevanje pH vrednosti
General Information
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Ethanol as a blending component for petrol - Determination of pHeYUHGQRVWLEthanol comme base de mélange a l'essence - Détermination du pHeEthanol zur Verwendung als Blendkomponente in Ottokraftstoff - Bestimmung des pHe-WertesTa slovenski standard je istoveten z:EN 15490:2007SIST EN 15490:2007en75.160.20Liquid fuels71.080.60Alkoholi. EtriAlcohols. EthersICS:SLOVENSKI
STANDARDSIST EN 15490:200701-december-2007
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 15490August 2007ICS 71.080.60 English VersionEthanol as a blending component for petrol - Determination ofpHeEthanol comme base de mélange à l'essence -Détermination du pHeEthanol zur Verwendung als Blendkomponente inOttokraftstoff - Bestimmung des pHe-WertesThis 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 15490:2007: E
EN 15490:2007 (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.5 8 Apparatus preparation.5 9 pH meter and electrode system calibration.5 10 Apparatus verification.6 11 Procedure.6 12 Expression of results.7 13 Precision.7 13.1 General.7 13.2 Repeatability, r.7 13.3 Reproducibility, R.7 14 Test report.8 Annex A (informative)
Background to actual fuel specifi
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