SIST EN 15492:2008
(Main)Ethanol as a blending component for petrol - Determination of inorganic chloride and sulfate content - Ion chromatographic method
Ethanol as a blending component for petrol - Determination of inorganic chloride and sulfate content - Ion chromatographic method
This European Standard specifies an ion chromatographic (IC) method for the determination of inorganic chloride and of sulfate content in ethanol. The precision of the method was established for chloride content from 4 mg/l to 30 mg/l. However, the precision of the method for sulfate content was not established yet.
Ethanol zur Verwendung als Blendkomponente in Ottokraftstoff - Bestimmung des Gehaltes an anorganischem Chlor und Sulfat - Ionenchromatographie
Diese Europäische Norm legt ein ionenchromatographisches Verfahren für die Bestimmung des anorganischen Chlorgehaltes (Chlorid) in Ethanol im Bereich von 4 mg/l bis 30 mg/l fest.
Die Gehalte an Phosphat oder Sulfat können mit diesem Prüfverfahren ebenfalls bestimmt werden, jedoch liegen dafür keine Präzisionsangaben vor.
WARNUNG - Die Anwendung dieser Europäischen Norm kann den Einsatz gefährlicher Stoffe, Arbeitsgänge und Geräte mit sich bringen. Diese Norm gibt nicht vor, alle mit ihrer Anwendung verbundenen Sicherheitsprobleme anzusprechen. Der Anwender dieser Norm ist dafür verantwortlich, vorher angemessene Maßnahmen zu ergreifen und die Anwendbarkeit einschränkender Vorschriften zu ermitteln.
Éthanol comme base de mélange à l'essence - Détermination de la teneur en chlorures minéraux et en sulfates - Méthode par chromatographie ionique
La présente Norme européenne prescrit une méthode de chromatographie ionique pour le dosage des chlorures minéraux et des sulfates dans l’éthanol. Les valeurs de fidélités de la méthode ont été établies pour des teneurs en chlorures comprises entre 4 mg/l et 30 mg/l. Par contre, celles concernant le dosage des sulfates n’ont pas encore été déterminées. NOTE Les mesures préliminaires ont montré que la teneur en sulfates peut être déterminée de (4 à 10) mk/kg. 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 anorganskega klorida in sulfata - Ionska kromatografska metoda
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.HEthanol zur Verwendung als Blendkomponente in Ottokraftstoff - Bestimmung des Gehaltes an anorganischem Chlor und Sulfat - IonenchromatographieÉthanol comme base de mélange à l'essence - Détermination de la teneur en chlorures minéraux et en sulfates - Méthode par chromatographie ioniqueEthanol as a blending component for petrol - Determination of inorganic chloride and sulfate content - Ion chromatographic method75.160.20Liquid fuels71.080.60Alkoholi. EtriAlcohols. EthersICS:Ta slovenski standard je istoveten z:EN 15492:2007SIST EN 15492:2008en,fr,de01-marec-2008SIST EN 15492:2008SLOVENSKI
STANDARD
SIST EN 15492:2008
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 15492December 2007ICS 75.160.20 English VersionEthanol as a blending component for petrol - Determination ofinorganic chloride and sulfate content - Ion chromatographicmethodÉthanol comme base de mélange à l'essence -Détermination de la teneur en chlorures minéraux et ensulfates - Méthode par chromatographie ioniqueEthanol zur Verwendung als Blendkomponente inOttokraftstoff - Bestimmung des Gehaltes ananorganischem Chlor und Sulfat - IonenchromatographieThis European Standard was approved by CEN on 10 November 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 15492:2007: ESIST EN 15492:2008
EN 15492:2007 (E) 2 Contents Page Foreword.3 1 Scope.4 2 Normative references.4 3 Principle.4 4 Reagents.4 5 Apparatus.5 6 Sampling.6 7 Preparation of calibration solutions.6 8 Preparation of apparatus.6 8.1 Setting up the instrument.6 8.2 Calibration.7 9 Procedure.7 9.1 Sample preparation.7 9.2 Sample analysis.8 10 Calculations.8 11 Expression of results.8 12 Precision.8 12.1 General.8 12.2 Repeatability, r.8 12.3 Reproducibility, R.9 13 Test report.9 Bibliography.10
SIST EN 15492:2008
EN 15492:2007 (E) 3 Foreword This document (EN 15492:2007) 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 June 2008, and conflicting national standards shall be withdrawn at the latest by June 2008. The method described in this document is based on a method from a European Regulation on wine [1]. As need for measuring sulfate in ethanol emerged during the drafting of the ethanol specification [2], the method was re-evaluated beside the applicability for inorganic chloride content determination. It showed that the principle was applicable to measuring sulfate, but at the moment the precision is still under study. Therefore this document is published as an intermediate step, allowing further investigation of the method. 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 the United Kingdom. SIST EN 15492:2008
EN 15492:2007 (E) 4 1 Scope This European Standard specifies an ion chromatographic (IC) method for the determination of inorganic chloride and of sulfate content in ethanol. The precision of the method was established for chloride content from 4 mg/l to 30 mg/l. However, the precision of the method for sulfate content was not established yet. NOTE Preliminary measurements showed that sulfate content can be determined from (4 to 10) mg/kg. WARNING — Use of this method may involve hazardous equipment, materials and operations. This method does not purport to address to all of the safety problems associated with its use, but it is the responsibility of the user to search and 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 1042, Laboratory glassware — One-mark volumetric flasks (ISO 1042:1998) EN ISO 3170, Petroleum liquids — Manual sampling (ISO 3170:2004) EN ISO 3696, Water for analytical laboratory use — Specification and test methods (ISO 3696:1987) 3 Principle A test portion of ethanol sample is evaporated on a water bath. The dry residue is dissolved in water. The chloride and sulfate ion contents are determined by comparing the peak area in the chromatogram of the aqueous solution of the test portion with the curve of the calibration standards. The calibration standards are prepared from suitable compounds in aqueous solution. 4 Reagents Use only reagents of recognized analytical grade, such as “IC grade”, unless otherwise specified. 4.1 Sodium chloride (NaCl), MW 58,44 g/mol. 4.2 Sulfuric acid (H2SO4), solution at 0,1 mol/l, of which the concentration is verified by titration, or is certified in case of com
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