1、ICS 71.100.40Surface active agentsDetermination of pH value of solutions or dispersionsEnglish version of DIN EN 1262Grenzflchenaktive Stoffe Messung des pH-Wertes vonLsungen oder DispersionenEuropean Standard EN 1262 : 2003 has the status of a DIN Standard.A comma is used as the decimal marker.Nati
2、onal forewordThis standard has been prepared by CEN/TC 276 Surface active agents (Secretariat: France).The responsible German body involved in its preparation was the Normenausschuss Materialprfung(Materials Testing Standards Committee), Technical Committee Anwendungstechnische Prfverfahren frTensid
3、e.AmendmentsThis standard differs from the September 1996 edition in that it has been revised in form and substance.Previous editionDIN EN 1262: 1996-09.DEUTSCHE NORM January 2004DIN EN 1262 No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e
4、V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Supersedes September 1996edition.English price group 07www.din.dewww.beuth.de9549034Continued overleaf.Document comprises 8 pages.04.04G4G15G60G96G40G5English versionICS 71.100.40S
5、urface active agentsDetermination of pH value of solutions or dispersions 2003. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 1262 : 2003 EGrenzflchenaktive Stoffe Messungdes pH-Wertes von Lsungen oderDispersionenThis European Stan
6、dard was approved by CEN on 2003-09-08.CEN members are bound to comply 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 nat
7、ional stand-ards may be obtained on application to the Management Centre or to anyCEN member.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 notifie
8、d to the Management Centre hasthe same status as the official versions.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,Spai
9、n, Sweden, Switzerland, and the United Kingdom.EN 1262October 2003Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungAgents de surface Dtermination dela valeur du pH des solutions ou desdispersionsSupersedes EN 1262 : 1996.Page 2EN 1262 : 2003233333455566PagePage 3EN 1262 : 2003Page 4EN 1262 : 2003Page 5EN 1262 : 2003Page 6EN 1262 : 2003Page 7EN 1262 : 2003
