Automotive fuels - Ethanol (E85) automotive fuel - Requirements and test methods

This Technical Specification specifies requirements and test methods for marketed and delivered Ethanol (E85) automotive fuel. It is applicable to Ethanol (E85) automotive fuel for use in spark ignition engine vehicles designed to run on Ethanol (E85). Ethanol (E85) automotive fuel is a mixture of nominally 85 % (V/V) ethanol complying to EN 15376 and petrol complying to EN 228, but also including the possibility of having different "seasonal grades" containing more than 50 % (V/V) ethanol.

Kraftstoffe für Kraftfahrzeuge - Ethanol (E85) Autokraftstoff - Anforderungen und Prüfverfahren

Diese Technische Spezifikation legt Anforderungen und Prüfverfahren für Ethanolkraftstoff (E85) für Kraftfahrzeuge fest, wie er vermarktet und ausgeliefert wird. Sie ist anwendbar auf Ethanolkraftstoff (E85) für Kraftfahrzeuge, welcher in Fahrzeugen mit Ottomotoren benutzt wird, die für den Einsatz von Ethanolkraftstoff (E85) für Kraftfahrzeuge ausgerüstet sind. Ethanolkraftstoff (E85) für Kraftfahrzeuge ist ein Gemisch von nominell 85 % (V/V) Ethanol nach EN 15376 und Ottokraftstoff nach EN 228, umfasst aber auch die Möglichkeit verschiedener „jahreszeitlicher Klassen“, die mehr als 50 % (V/V) Ethanol enthalten. ANMERKUNG Für die Zwecke dieses Dokuments wird zur Angabe des Massenanteils einer Substanz der Ausdruck „% (m/m)“ und für den Volumenanteil einer Substanz der Ausdruck „% (V/V)“ verwendet.

Carburants pour automobiles - Carburant automobile Ethanol (E85) - Exigences et méthodes d'essai

La présente Norme européenne prescrit les exigences et les méthodes d'essai pour le carburant pour automobiles Ethanol (E85) mis sur le marché et livré. Elle est applicable à l'éthanol (E85) destiné aux moteurs à allumage commandé conçus pour utiliser ce carburant.
L’éthanol (E85) est un mélange de théoriquement 85 % d’éthanol et d’essence, mais il inclut aussi la possibilité de différentes « classes saisonnières » contenant plus que 50 % d’éthanol.
NOTE   Pour les besoins de la présente Norme européenne, les expressions "% (m/m)" et "% (V/V)" sont utilisées pour désigner respectivement les fractions massiques et les fractions volumiques.

Goriva za motorna vozila - Gorivo etanol (E85) za motorna vozila - Zahteve in preskusne metode

Ta tehnična specifikacija določa zahteve in preskusne metode za gorivo etanol (E85) za motorna vozila, ki je na trgu ali se dobavlja. Velja za Etanol (85) za motorna vozila, ki se uporablja pri motorjih na prisilni vžig, načrtovanih za delovanje na Etanol (E85). Gorivo etanol (E85) za motorna vozila je mešanica nominalnega 85-odstotnega etanola (V/V), ki je v skladu z EN 15376 in bencinom, ki je v skladu z EN 228, vendar še vedno vključuje možnost različnih »sezonskih stopenj«, ki vsebujejo več kot 50 % etanola (V/V).

General Information

Status
Withdrawn
Public Enquiry End Date
14-Jul-2009
Publication Date
02-Mar-2011
Withdrawal Date
26-Sep-2018
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
27-Sep-2018
Due Date
20-Oct-2018
Completion Date
27-Sep-2018

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Goriva za motorna vozila - Gorivo etanol (E85) za motorna vozila - Zahteve in preskusne metodeKraftstoffe für Kraftfahrzeuge - Ethanol (E85) Autokraftstoff - Anforderungen und PrüfverfahrenCarburants pour automobiles - Carburant automobile Ethanol (E85) - Exigences et méthodes d'essaiAutomotive fuels - Ethanol (E85) automotive fuel - Requirements and test methods75.160.20Liquid fuelsICS:Ta slovenski standard je istoveten z:CEN/TS 15293:2011SIST EN 15293:2011en,de01-april-2011SIST EN 15293:2011SLOVENSKI
STANDARDSIST-TS CWA 15293:20081DGRPHãþD



SIST EN 15293:2011



TECHNICAL SPECIFICATION SPÉCIFICATION TECHNIQUE TECHNISCHE SPEZIFIKATION
CEN/TS 15293
February 2011 ICS 75.160.20 Supersedes CWA 15293:2005English Version
Automotive fuels - Ethanol (E85) automotive fuel - Requirements and test methods
Carburants pour automobiles -Carburant pour automobiles Ethanol (E85) - Exigences et méthodes d'essai
Kraftstoff für Kraftfahrzeuge - Ethanolkraftstoff (E85) für Kraftfahrzeuge - Anforderungen und Prüfverfahren This Technical Specification (CEN/TS) was approved by CEN on 28 September 2010 for provisional application.
The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to submit their comments, particularly on the question whether the CEN/TS can be converted into a European Standard.
CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, 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 STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TS 15293:2011: ESIST EN 15293:2011



CEN/TS 15293:2011 (E) 2 Contents Page Foreword .31Scope .42Normative references .43Sampling .54Pump marking .55Requirements and test methods .65.1Dyes and markers .65.2Additives .65.3Phosphorus .65.4Denaturants .65.5Generally applicable requirements and test methods .65.5.1Overall requirements .65.5.2Octane .85.6Climatically dependent requirements and test methods .85.6.1Water tolerance .85.6.2Volatility requirements .85.7Precision and dispute .95.7.1Resolution of disputes .95.7.2Arbitration test methods .9Annex A (normative)
Required updates to determination methods . 10A.1General . 10A.2EN 1601 . 10A.3EN 15489 and EN 15692 . 10A.4EN 15492 . 10A.5EN 15488 . 11A.6EN 15837 . 11A.7EN 15487 . 11A.8EN 15485 . 12A.9EN 15486 . 12A.10EN ISO 5164 and EN ISO 5163 . 12Annex B (informative)
Octane number considerations . 13Bibliography . 14 SIST EN 15293:2011



CEN/TS 15293:2011 (E) 3 Foreword This document (CEN/TS 15293:2011) 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. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes CEN/CWA 15293:2005. Significant technical changes between this European Standard and the CEN Workshop agreement are:  the fuel requirements do allow the car manufacturers to optimize the ignition setting over the whole range of 0 % (V/V) to 85 % (V/V) of ethanol, whereas former limits of for instance vapour pressure and MON/RON were calculated on the basis of the percentage. This should give the user the benefit of the improved octane of the alcohol, even though some limits are set as indicative pending further field data;  the requirements towards contaminants originating mainly from ethanol are aligned with the meanwhile published EN 15376. As alignment of units for elemental contaminants is pursued, a mean density value of 0,78 g/cm3 has been used;  the specification has been set to allow for the use of denatured and undenatured ethanol as a blending component, depending on national legislation;  newly developed ethanol test methods are used, which show a better applicability to Ethanol (E85) automotive fuel. Most of the test methods have been assessed for their effective applicability;  the climate requirements do allow different percentages of ethanol to be blended, based on field experience, of which some limits are still under study. Furthermore, some of the determination methods referenced are still being investigated in terms of correct application and precision. This, and the fact that production processes need to be assessed on possibility to achieve the required or future limits, underlines the choice for a CEN Technical Specification as an intermediate step. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to announce this Technical Specification: Austria, Belgium, Bulgaria, Croatia, 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 the United Kingdom.
SIST EN 15293:2011



CEN/TS 15293:2011 (E) 4 1 Scope This Technical Specification specifies requirements and test methods for marketed and delivered Ethanol (E85) automotive fuel. It is applicable to Ethanol (E85) automotive fuel for use in spark ignition engine vehicles designed to run on Ethanol (E85). Ethanol (E85) automotive fuel is a mixture of nominally 85 % (V/V) ethanol complying to EN 15376 and petrol complying to EN 228, but also including the possibility of having different "seasonal grades" containing more than 50 % (V/V) ethanol. NOTE For the purposes of this document, the terms "% (m/m)" and "% (V/V)" are used to represent respectively the mass fraction and the volume fraction. 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 228, Automotive fuels
Unleaded petrol
Requirements and test methods
EN 1601:1997, Liquid petroleum products — Unleaded petrol — Determination of organic oxygenate compounds and total organically bound oxygen content by gas chromatography (O-FID) EN 13016-1:2007, Liquid petroleum products — Vapour pressure — Part 1: Determination of air saturated vapour pressure (ASVP) and calculated dry vapour pressure equivalent (DVPE) EN 15376, Automotive fuels — Ethanol as a blending component for petrol —Requirements and test methods EN 15485:2007, Ethanol as a blending component for petrol — Determination of sulfur content — Wavelength dispersive X-ray fluorescence spectrometric method EN 15486:2007, Ethanol as a blending component for petrol — Determination of sulfur content — Ultraviolet fluorescence method EN 15487:2007, Ethanol as a blending component for petrol — Determination of phosphorus content — Ammonium molybdate spectrometric method EN 15488:2007, Ethanol as a blending component for petrol — Determination of copper content — Graphite furnace atomic absorption spectrometric method EN 15489:2007, Ethanol as a blending component for petrol — Determination of water content — Karl Fischer coulometric titration method EN 15491:2007, Ethanol as a blending component for petrol — Determination of total acidity — Colour indicator titration method prEN 15492:2010, Ethanol as a blending component for petrol — Determination of inorganic chloride and sulfate content — Ion chromatographic method EN 15692:2009, Ethanol as a blending component for petrol — Determination of water content — Karl Fischer potentiometric titration method EN 15837:2009, Ethanol as a blending component for petrol — Determination of phosphorus, copper and sulfur content — Direct method by inductively coupled plasma optical emission spectrometry (ICP OES) SIST EN 15293:2011



CEN/TS 15293:2011 (E) 5 EN 15938:2010, Automotive fuels — Ethanol blending component and ethanol (E85) automotive fuel — Determination of electrical conductivity
EN ISO 2160:1998, Petroleum products — Corrosiveness to copper — Copper strip test (ISO 2160:1998) EN ISO 3170:2004, Petroleum liquids
Manual sampling (ISO 3170:2004) EN ISO 3171:1999, Petroleum liquids — Automatic pipeline sampling (ISO 3171:1988) EN ISO 4259, Petroleum products — Determination and application of precision data in relation to methods of test (ISO 4259:2006) EN ISO 5163:2005, Petroleum products — Determination of knock characteristics of motor and aviation fuels — Motor method (ISO 5163:2005) EN ISO 5164:2005, Petroleum products — Determination of knock characteristics of motor fuels — Research method (ISO 5164:2005) EN ISO 6246:1997, Petroleum products — Gum content of light and middle distillate fuels — Jet evaporation method (ISO 6246:1995) EN ISO 7536:1996, Petroleum products — Determination of oxidation stability of gasoline — Induction period method (ISO 7536:1994) EN ISO 12185:1996, Crude petroleum and petroleum products — Determination of density — Oscillating U-tube method (ISO 12185:1996) 3 Sampling Samples shall be taken as described in EN ISO 3170 or EN ISO 3171 and/or in accordance with the requirements of national standards or regulations for the sampling of Ethanol (E85) automotive fuel. The national requirements shall be set out in detail or shall be referred to by reference in a national annex to this European Standard. In view of the sensitivity of some of the test methods referred to in this European Standard, particular attention shall be paid to compliance with any guidance on sampling containers, which is sometimes included in the test method standard. It is essential that for sampling of Ethanol (E85) automotive fuel the containers used to take and store the samples before testing are free from any contamination. 4 Pump marking Information to be marked on dispensing pumps used for delivering Ethanol (E85) automotive fuel, and the dimensions of the mark shall be in accordance with the requirements of national standards or regulations for the marking of pumps for Ethanol (E85) automotive fuel. Such requirements shall be set out in detail or shall be referred to by reference in a national annex to this European Standard. NOTE The recommended designation for Ethanol (E85) automotive fuel and its seasonal derivatives is "E85". SIST EN 15293:2011



CEN/TS 15293:2011 (E) 6 5 Requirements and test methods
5.1 Dyes and markers The use of dyes and markers is allowed provided they do not cause harmful side effects to vehicles and fuel distribution systems. 5.2 Additives In order to improve the performance quality the use of additives is allowed. Suitable fuel additives without known harmful side effects are recommended in the appropriate amount, to help to avoid deterioration of driveability and emissions control durability. Other technical means with equivalent effect may also be used. CAUTION — Ethanol (E85) automotive fuel shall be free from any adulterant or contaminant that may render the fuel unacceptable for use in petrol engine vehicles designed to run on unleaded petrol and ethanol (E85) automotive fuel. NOTE Test methods for deposit forming tendency that are suitable for routine control purposes have not yet been identified and developed. 5.3 Phosphorus In order to protect automotive catalyst systems, phosphorus containing additives shall not be used in Ethanol (E85) automotive fuel. 5.4 Denaturants The presence of petrol that conforms to EN 228 is generally considered sufficient to render Ethanol (E85) automotive fuel a denatured product. If the presence of petrol is not recognized as a denaturant of ethanol by the relevant national authority, to avoid material compatibility issues with automotive engines and fuel systems, it is recommended to select denaturants from the list below that are known to be non harmful to vehicle systems:  Ethyltertbutylether (ETBE);  Methyltertbutylether (MTBE);  Tertiary Butyl Alcohol (TBA);  2-methyl-1-propanol (isobutanol); an
...

SLOVENSKI STANDARD
oSIST prEN 15293:2009
01-junij-2009
Goriva za motorna vozila - Gorivo etanol (E85) za motorna vozila - Zahteve in
preskusne metode
Automotive fuels - Ethanol (E85) automotive fuel - Requirements and test methods
Kraftstoffe für Kraftfahrzeuge - Ethanol (E85) Autokraftstoff - Anforderungen und
Prüfverfahren
Carburants pour automobiles - Carburant automobile Ethanol (E85) - Exigences et
méthodes d'essai
Ta slovenski standard je istoveten z: prEN 15293
ICS:
75.160.20 7HNRþDJRULYD Liquid fuels
oSIST prEN 15293:2009 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 15293:2009

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oSIST prEN 15293:2009
EUROPEAN STANDARD
DRAFT
prEN 15293
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2009
ICS 75.160.20 Will supersede CWA 15293:2005
English Version
Automotive fuels - Ethanol (E85) automotive fuel - Requirements
and test methods
Carburants pour automobiles - Carburant pour automobiles Kraftstoffe für Kraftfahrzeuge - Ethanol (E85) Autokraftstoff
Ethanol (E85) - Exigences et méthodes d'essai - Anforderungen und Prüfverfahren
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 19.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the
same status as the official 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.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2009 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 15293:2009: E
worldwide for CEN national Members.

---------------------- Page: 3 ----------------------
oSIST prEN 15293:2009
prEN 15293:2009 (E)
Contents Page
Foreword .3
1 Scope .4
2 Normative references .4
3 Sampling .5
4 Pump marking .5
5 Requirements and test methods .6
5.1 Blend components.6
5.2 Dyes and markers .6
5.3 Additives .6
5.4 Phosphorus .6
5.5 Denaturants .6
5.6 Generally applicable requirements and test methods .7
5.7 Climatically dependent requirements and test methods .7
5.7.1 Water tolerance .7
5.7.2 Volatility requirements .9
5.8 Precision and dispute .9
5.8.1 Resolution of disputes .9
5.8.2 Arbitration test methods .9
Annex A (normative) Required updates to determination methods . 10
A.1 General . 10
A.2 Gas chromatography . 10
A.3 Karl-Fischer titration . 10
A.4 Ion chromatography . 10
A.5 Graphite furnace atomic absorption spectrometry . 10
A.6 Inductively coupled plasma optical emission spectrometry . 11
A.6.1 Preparation of the calibration solution . 11
A.6.2 Sample analysis . 11
A.7 Colorimetry . 11
A.8 Wavelength dispersive X-ray fluorescence spectrometry . 12
A.9 Ultraviolet fluorescence spectrometry . 12
Bibliography . 13

2

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oSIST prEN 15293:2009
prEN 15293:2009 (E)
Foreword
This document (prEN 15293:2009) 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 document is currently submitted to the CEN Enquiry.
This document will supersede CWA 15293:2005.
This document will supersede CEN/CWA 15293:2005, which has originally been prepared under a Mandate
given to CEN by the European Commission. This document supports EU Directive(s) [1], [2] and [3].
Significant technical changes between this European Standard and the CEN Workshop agreement are:
 the fuel requirements do allow the car manufacturers to optimize the ignition setting over the whole range
of 0 % to 85 % of ethanol, whereas former limits of for instance vapour pressure and MON/RON were
calculated on the basis of the percentage. This should give the user the benefit of the improved octane of
the alcohol;
 the requirements towards contaminants originating mainly from ethanol are aligned with the meanwhile
published EN 15376. As alignment of units for elemental contaminants is pursued, a mean density value
3
of 0,78 g/cm has been used;
 the specification has been set to allow for the use of denatured ethanol as a blending component;
 newly developed ethanol test methods are used, which show a better applicability to Ethanol (E85)
automotive fuel and all test methods have been assessed for their effective applicability;
 the climate requirements do allow different percentages of ethanol to be blended, based on field
experience, of which some limits are still under discussion. These will be included at a later stage;
Furthermore, some of the determination methods referenced are still being investigated in terms of correct
application and precision.
3

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oSIST prEN 15293:2009
prEN 15293:2009 (E)
1 Scope
This European Standard specifies requirements and test methods for marketed and delivered Ethanol (E85)
automotive fuel. It is applicable to Ethanol (E85) for use in spark ignition engine vehicles designed to run on
Ethanol (E85).
Ethanol (E85) is a mixture of nominally 85 % ethanol and petrol, but also including the possibility of having
different 'seasonal grades' containing more than 50 % ethanol.
NOTE For the purposes of this document, the terms “% (m/m)” and “% (V/V)” are used to represent respectively the
mass fraction and the volume fraction.
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 228, Automotive fuels – Unleaded petroleum – Requirements and test methods
EN 1601:1997, Liquid petroleum products — Unleaded petrol — Determination of organic oxygenate
compounds and total organically bound oxygen content by gas chromatography (O-FID)
EN 13016-1:2007, Liquid petroleum products — Vapour pressure — Part 1: Determination of air saturated
vapour pressure (ASVP) and calculated dry vapour pressure equivalent (DVPE)
EN 15376, Automotive fuels — Ethanol as a blending component for petrol —Requirements and test methods
EN 15485:2007, Ethanol as a blending component for petrol — Determination of sulfur content — Wavelength
dispersive X-ray fluorescence spectrometric method
EN 15486:2007, Ethanol as a blending component for petrol — Determination of sulfur content — Ultraviolet
fluorescence method
EN 15487:2007, Ethanol as a blending component for petrol — Determination of phosphorus content —
Ammonium molybdate spectrometric method
EN 15488:2007, Ethanol as a blending component for petrol — Determination of copper content — Graphite
furnace atomic absorption spectrometric method
EN 15489:2007, Ethanol as a blending component for petrol — Determination of water content — Karl-Fischer
coloumetric titration method
EN 15490:2007, Ethanol as a blending component for petrol — Determination of pHe
EN 15491:2007, Ethanol as a blending component for petrol — Determination of total acidity — Colour
indicator titration method
EN 15492:2008 Ethanol as a blending component for petrol — Determination of inorganic chloride and sulfate
content — Ion chromatographic method
prEN 15692:2008, Ethanol as a blending component for gasoline — Determination of water content — Karl
Fischer potentiometric titration method
prEN 15769:2008, Ethanol as a blending component of petrol — Determination of appearance — Visual
method
4

---------------------- Page: 6 ----------------------
oSIST prEN 15293:2009
prEN 15293:2009 (E)
prEN 15837:2008, Ethanol as a blending component for petrol — Determination of phosphorus, copper and
sulfur content — Inductively coupled plasma optical emission spectrometric direct method
EN ISO 2160:1998, Petroleum products — Corrosiveness to copper — Copper strip test (ISO 2160:1998)
EN ISO 3170:2004, Petroleum liquids – Manual sampling (ISO 3170:2004)
EN ISO 3171:1999, Petroleum liquids — Automatic pipeline sampling (ISO 3171:1988)
EN ISO 4259, Petroleum products — Determination and application of precision data in relation to methods of
test (ISO 4259:2006).
EN ISO 5163:2005, Petroleum products — Determination of knock characteristics of motor and aviation fuels —
Motor method (ISO 5163:2005)
EN ISO 5164:2005, Petroleum products — Determination of knock characteristics of motor fuels — Research
method (ISO 5164:2005)
EN ISO 6246:1997, Petroleum products — Gum content of light and middle distillate fuels — Jet evaporation
method (ISO 6246:1995)
EN ISO 7536:1996, Petroleum products — Determination of oxidation stability of gasoline — Induction period
method (ISO 7536:1994)
EN ISO 12185:1996, Crude petroleum and petroleum products — Determination of density — Oscillating U-
tube method (ISO 12185:1996)
ASTM D 1613-00, Standard test method for acidity in volatile solvents and chemical intermediates used in
paint, varnish, lacquer, and related products
ASTM D 6423-99, Standard test method for determination of pHe of ethanol, denatured fuel ethanol, and fuel
ethanol (Ed75-Ed85)
DIN 51627-4, Automotive fuels - Test methods - Part 4: Determination of electrical conductivity in ethanol fuel
3 Sampling
Samples shall be taken as described in EN ISO 3170 or EN ISO 3171 and/or in accordance with the
requirements of national standards or regulations for the sampling of unleaded petrol. The national requirements
shall be set out in detail or shall be referred to by reference in a national annex to this European Standard.
In view of the sensitivity of some of the test methods referred to in this European Standard, particular attention
shall be paid to compliance with any guidance on sampling containers, which is
...

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