1、ICS 71.100.40Grenzflchenaktive Stoffe Bestimmung des Aktivgehalts in AlkyldimethylbetainenEuropean Standard EN 13270 : 2001 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 agents (Secretariat: France
2、).The responsible German body involved in its preparation was the Normenausschuss Materialprfung(Materials Testing Standards Committee), Technical Committee Analytik von Tensiden.DIN ISO 3696 and DIN ISO 607 are the standards corresponding to European Standard EN ISO 3696 andInternational Standard I
3、SO 607, respectively, referred to in clause 2 of the EN.Ref. No. DIN EN 13270 : 2001-07English price group 07 Sales No. 110711.01DEUTSCHE NORM July 2001EN 13270Continued overleaf.EN comprises 9 pages. No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr
4、 Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Surface active agentsDetermination of the active matter content inalkyldimethylbetainesEnglish version of DIN EN 13270English versionICS 71.100.40Descriptors:Surface act
5、ive agentsDetermination of the active matter content in alkyldimethylbetaines 2001. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 13270 : 2001 EGrenzflchenaktive Stoffe Bestimmung des Aktivgehalts inAlkyldimethylbetainenThis Europe
6、an Standard was approved by CEN on 2001-02-04.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 s
7、uch national 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
8、notified 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, Iceland, Ireland, Italy,Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzer
9、land,and the United Kingdom.EN 13270March 2001Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr Normung|Agents de surface Dosage de lateneur en matire active dans lesalkyldimthylbtanesPage 2EN 13270 : 20012333334444556789Page 3EN 13270 : 2001Page 4EN 13270 : 2001Page 5EN 13270 : 2001Page 6EN 13270 : 2001Page 7EN 13270 : 2001Page 8EN 13270 : 2001Page 9EN 13270 : 2001
