BS EN 15692-2009 Ethanol as a blending component for petrol - Determination of water content - Karl Fischer potentiometric titration method《作为汽油混合组分之一的乙醇 含水量测定 费歇尔(Karl Fischer)电位滴.pdf
《BS EN 15692-2009 Ethanol as a blending component for petrol - Determination of water content - Karl Fischer potentiometric titration method《作为汽油混合组分之一的乙醇 含水量测定 费歇尔(Karl Fischer)电位滴.pdf》由会员分享,可在线阅读,更多相关《BS EN 15692-2009 Ethanol as a blending component for petrol - Determination of water content - Karl Fischer potentiometric titration method《作为汽油混合组分之一的乙醇 含水量测定 费歇尔(Karl Fischer)电位滴.pdf(12页珍藏版)》请在麦多课文档分享上搜索。
1、BS EN 15692:2009BS 2000-572:2009ICS 71.080.60,75.160.20NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDEthanol as a blending component for petrol Determination of water content Karl Fischer potentiometric titration methodLicensed Copy: Wang Bin, ISO/EXCHANGE CHI
2、NA STANDARDS, 16/11/2009 07:53, Uncontrolled Copy, (c) BSIThis British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2009 BSI 2009ISBN 978 0 580 58753 5Amendments/corrigenda issued since publicationDate CommentsBS EN 15692:2009National forewordT
3、his British Standard is the UK implementation of EN 15692:2009.The UK participation in its preparation was entrusted to Technical Committee PTI/13, Petroleum testing and terminology.A list of organizations represented on this committee can be obtained on request to its secretary.This publication doe
4、s not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Energy Institute, under the brand of IP, publishes and sells all Parts of BS 2000, and all BS EN pet
5、roleum test methods that would be Part of BS 2000, both in its annual publication “Standard methods for analysis and testing of petroleum and related products and British Standard 2000 Parts” and individually.Further information is available from: Energy Institute, 61 New Cavendish Street, London W1
6、G 7AR.Tel: 020 7467 7100. Fax: 020 7255 1472.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/11/2009 07:53, Uncontrolled Copy, (c) BSIBS EN 15692:2009EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 15692April 2009ICS 75.160.20English VersionEthanol as a blending component for petrol - De
7、termination ofwater content - Karl Fischer potentiometric titration methodEthanol comme base de mlange lessence -Dtermination de la teneur en eau - Mthode de titragepotentiomtrique Karl FischerEthanol zu Verwendung als Blendkomponente inOttokraftstoff - Bestimmung des Wassergehaltes -Potentiometrisc
8、he Titration nach Karl FischerThis European Standard was approved by CEN on 19 March 2009.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 lis
9、ts 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 respon
10、sibility 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, Icelan
11、d, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix
12、 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15692:2009: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/11/2009 07:53, Uncontrolled Copy, (c) BSIBS EN 15692:2009EN 15692:2009 (E) 2 Contents Pa
13、ge 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 Procedure .6 8.1 Standardization of the Karl Fischer reagent .6 8.2 Analysis 6 9 Calculation 7 10 Expression of results 7 11 Precisio
14、n .7 11.1 General 7 11.2 Repeatability, r .8 11.3 Reproducibility, R 8 12 Test report 8 Bibliography 9 Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/11/2009 07:53, Uncontrolled Copy, (c) BSIBS EN 15692:2009EN 15692:2009 (E) 3 Foreword This document (EN 15692:2009) has been prepared by Te
15、chnical 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 en
16、dorsement, at the latest by October 2009, and conflicting national standards shall be withdrawn at the latest by October 2009. 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 id
17、entifying any or all such patent rights. This document was prepared by CEN/TC 19s Ethanol Task Force under its Working Group 21 and is based on ISO 760 1. It is developed as an alternative to EN 15489 2, delivering a method more widely used in the alcohol and beverage industry environment. According
18、 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, L
19、ithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/11/2009 07:53, Uncontrolled Copy, (c) BSIBS EN 15692:2009EN 15692:2009 (E) 4 1 Scope This Euro
20、pean standard specifies a method for the direct determination of water in ethanol to be used in gasoline blends. It is applicable in the range 0,05 % (m/m) to 0,54 % (m/m). NOTE For the purposes of this European Standard, the term “% (m/m)” is used to represent the mass fraction. WARNING Use of this
21、 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 applicabilit
22、y 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 amend
23、ments) applies. 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 Terms and definitions For the purposes of this European Standard, the following term and definition applies. 3.1 water cont
24、ent content of water determined by potentiometric Karl Fischer procedure as given in this document 4 Principle A weighed test portion is injected into the titration vessel of a potentiometric Karl Fischer apparatus. The water present is titrated to a potentiometric end point using Karl Fischer reage
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