1、ICS 71.100.40Grenzflchenaktive Stoffe Alkoxylierte Derivate Bestimmung der Hydroxylzahl N-Methylimidazol-VerfahrenEuropean Standard EN 13926 : 2003 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been prepared by CEN/TC 276 Surface active age
2、nts (Secretariat: France).The responsible German body involved in its preparation was the Normenausschuss Materialprfung(Materials Testing Standards Committee), Technical Committee Analytik von Tensiden.DIN ISO 607 is the standard corresponding to International Standard ISO 607 referred to in clause
3、 2 of theEN.Ref. No. DIN EN 13926 : 2003-06English price group 09 Sales No. 110910.03DEUTSCHE NORM June 2003EN 13926EN comprises 10 pages. No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germa
4、ny,has the exclusive right of sale for German Standards (DIN-Normen).Surface active agentsAlkoxylated derivativesDetermination of hydroxyl value N-methyl imidazole methodEnglish version of DIN EN 13926English versionICS 71.100.40Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committe
5、e for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungSurface active agentsAlkoxylated derivativesDetermination of hydroxyl value N-methyl imidazole method 2003. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No.
6、 EN 13926 : 2003 EAgents de surface Drivsalkyloxyls Dtermination delindice dhydroxyle Mthode laN-mthylimidazoleGrenzflchenaktive Stoffe Alkoxy-lierte Derivate Bestimmung derHydroxylzahl N-Methylimidazol-VerfahrenThis European Standard was approved by CEN on 2002-11-29.CEN members are bound to comply
7、 with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Cent
8、re or to any CENmember.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions
9、.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland,Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia,Spain, Sweden, Switzerland, and the United Kingdom.EN 13926March 2003Page 2EN 13926 : 2003233333444577891010Page 3EN 13926 : 2003Page 4EN 13926 : 2003Page 5EN 13926 : 2003Page 6EN 13926 : 2003Page 7EN 13926 : 2003Page 8EN 13926 : 2003Page 9EN 13926 : 2003Page 10EN 13926 : 2003
