EN 16270:2012

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kraftstoffe für Kraftfahrzeuge - Bestimmung von hoch-siedenden Komponenten in Ottokraftstoff - Gaschromatographisches VerfahrenCarburants pour automobiles - Détermination des components haute-bouillantes dans l'essence - Méthode par chromatographie en phase gazeuseAutomotive fuels - Determination of high-boiling components in petrol - Gas chromatographic method75.160.20Liquid fuelsICS:Ta slovenski standard je istoveten z:EN 16270:2012SIST EN 16270:2012en,de01-november-2012SIST EN 16270:2012SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 16270
September 2012 ICS 75.160.20 English Version
Automotive fuels - Determination of high-boiling components including fatty acid methyl esters in petrol - Gas chromatographic method
Carburants pour automobiles - Détermination des composés à haut point d'ébullition dont les esters méthyliques d'acides gras dans l'essence - Méthode par chromatographie en phase gazeuse
Kraftstoffe für Kraftfahrzeuge - Bestimmung hochsiedender Komponenten einschließlich Fettsäure-Methylester in Ottokraftstoff - Gaschromatographisches Verfahren This European Standard was approved by CEN on 27 July 2012.
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. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC 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 translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
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B-1000 Brussels © 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16270:2012: ESIST EN 16270:2012

NOTE 2 For the purposes of this standard, the terms “% (m/m)” and “% (V/V)” are used to represent the mass fraction (µ) and the volume fraction (3) of a material respectively. WARNING — The use of this European Standard may involve hazardous materials, operations and equipment. This European 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 to determine the applicability of regulatory limitations prior to use. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 14214, Liquid petroleum products — Fatty acid methyl esters (FAME) for use in diesel engines and heating applications — Requirements and test methods EN ISO 3170, Petroleum liquids — Manual sampling (ISO 3170) EN ISO 3171, Petroleum liquids — Automatic pipeline sampling (ISO 3171) 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1
start of high boiling fraction first peak to be included in the high boiling fraction Note 1 to entry: In this determination method, this is the peak of 1-methyl-naphthalene. 3.2
end of high boiling fraction last peak to be included in the high boiling fraction Note 1 to entry: In this determination method, this is the peak of dotriacontane (n-C32). SIST EN 16270:2012

fatty acid methyl esters fraction FAME fraction combined area of the C18:0, C18:1, C18:2 and C18:3-FAME peaks Note 1 to entry: The area is defined as shown in Figure 1. This only takes the C18-compounds into account as other methyl esters compounds such as C16:0 can only be present in very limited amounts. In addition, C16:0 co-elutes with an n-paraffin which would affect the quantification. Note 2 to entry: Figure 1 presents visual explanation of the definitions on the basis of an exemplary chromatogram.
Key
1 start of high boiling fraction from 1-methyl-naphthalene elution 6 FAME peak used for FAME calculation 2 area corresponding to high boilers (including FAME peaks) 7 baseline for FAME calculation 3 integration baseline 8 end of C32's elution 4 area under FAME baseline is high boiling material and is not considered FAME t time (min) 5 1-methyl-naphthalene Y FID Signal Figure 1 — Example chromatogram with explanation of definitions 3.4 total high boiling area for a calibration mixture Atc sum of the areas of 1-methylnaphthalene and dotriacontane Note 1 to entry: See Figure 2 for further explanation. SIST EN 16270:2012

Key 1 1-Methyl-naphthalene – start of high boiling fraction 2 C18-FAME 3 dotriacontane – end of high boiling fraction t time (min) Y FID signal Figure 2 — Example of a calibration mixture chromatogram 4 Principle A test portion is introduced into a gas chromatographic column, which separates hydrocarbons in the order of increasing boiling point. The column tempera
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