1、ICS 71.100.40Grenzflchenaktive Stoffe Bestimmung von Krafft-Punkt undLslichkeit von ionischen grenzflchenaktiven StoffenEuropean Standard EN 13955 : 2002 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 acti
2、ve agents (Secretariat: France).The responsible German body involved in its preparation was the Normenausschuss Materialprfung (Ma-terials Testing Standards Committee), Technical Committee Anwendungstechnische Prfverfahren fr Ten-side.DIN ISO 3696 and DIN 12242-1 are the standards corresponding to I
3、nternational Standards ISO 3696 andISO 383, respectively, referred to in clause 2 of the EN.AmendmentsDIN 53918, December 1977 edition, has been superseded by the specifications of EN 13955.Previous editionsDIN 53918: 1971-06, 1977-12.National Annex NAStandard referred to(and not included in Normati
4、ve references)DIN 12242-1 Conical ground joints on laboratory glassware Dimensions and tolerancesRef. No. DIN EN 13955 : 2003-03English price group 09 Sales No. 110907.03DEUTSCHE NORM March 2003EN 13955Continued overleaf.EN comprises 8 pages. No part of this standard may be reproduced without the pr
5、ior permission ofDIN Deutsches Institut fr 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 Krafft point and solubilityof ionic surface active agentsEnglish version of DIN EN 13955S
6、upersedes DIN 53918,December 1977 edition.English versionICS 71.100.40Surface active agentsDetermination of Krafft point and solubilityof ionic surface active agents 2002. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 13955 : 2002
7、EGrenzflchenaktive Stoffe Bestim-mung von Krafft-Punkt und Lslichkeitvon ionischen grenzflchenaktivenStoffenThis European Standard was approved by CEN on 2002-10-23.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standa
8、rd 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 Centre or to anyCEN member.The European Standards exist in three official versions (English, French, German)
9、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.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland,
10、 France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, Malta, the Netherlands, Norway, Portugal, Spain, Sweden, Switzer-land, and the United Kingdom.EN 13955December 2002Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungAgents de surface Dtermination dupoint de Krafft et de la solubilit desagents de surface ioniquesPage 2EN 13955 : 200223334456778Page 3EN 13955 : 2002Page 4EN 13955 : 2002Page 5EN 13955 : 2002Page 6EN 13955 : 2002Page 7EN 13955 : 2002Page 8EN 13955 : 2002
