1、ICS 77.100.40Grenzflchenaktive Stoffe Technische Alkansulfonate Bestimmungder mittleren relativen Molmasse von Alkanmonosulfonaten und desGehaltes an Alkanmonosulfonat (ISO 6845 : 1989)Ref. No. DIN EN ISO 6845 : 2003-06English price group 07 Sales No. 110711.03DEUTSCHE NORM June 2003EN ISO 6845EN co
2、mprises 6 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, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Surface active agents Technical alkane sulfonatesDete
3、rmination of the mean relative molecular mass of the alkanemonosulfonates and the alkane monosulfonate content(ISO 6845 : 1989)English version of DIN EN ISO 6845European Standard EN ISO 6845 : 2003 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard
4、has been published in accordance with a decision taken by CEN/TC 276 Surface activeagents (Secretariat: France) to adopt, without alteration, International Standard ISO 6845 as a EuropeanStandard.The responsible German body involved in its preparation was the Normenausschuss Materialprfung(Materials
5、 Testing Standards Committee), Technical Committee Analytik von Tensiden.DIN 12700-1 and DIN ISO 607 are the standards corresponding to International Standards ISO 385-1 andISO 607, respectively, referred to in clause 2 of the EN.AmendmentsISO 6845 having been adopted as a European Standard, the sta
6、tus of the corresponding DIN Standard(DIN ISO 6845) has been changed accordingly.Previous editionDIN ISO 6845: 1985-09.National Annex NAStandard referred to(and not included in Normative references)DIN 12700-1 Burettes for laboratory use General requirementsSupersedes DIN ISO 6845,September 1985 edi
7、tion.English versionICS 77.100.40Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungSurface active agents Technical alkane sulfonatesDetermination of the mean relative molecular mass of the alkanemon
8、osulfonates and the alkane monosulfonate content(ISO 6845 : 1989) 2003. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN ISO 6845 : 2003 EAgents de surface Alcanesulfonatestechniques Dtermination de lamasse molculaire relative moyenne
9、des alcanemonosulfonates et de leurteneur (ISO 6845 : 1989)Grenzflchenaktive Stoffe Techni-sche Alkansulfonate Bestimmungder mittleren relativen Molmasse vonAlkanmonosulfonaten und desGehaltes an Alkanmonosulfonat(ISO 6845 : 1989)This European Standard was approved by CEN on 2002-12-06.CEN members a
10、re 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 nationalstandards may be obtained on application to the
11、 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 notified to the Management Centre hasthe same status as the o
12、fficial versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ire-land, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia,Spain, Sweden, Switzerland, and the United Kingdom.|Febr
13、uary 2003EN ISO 6845Page 2EN ISO 6845 : 2003ForewordInternational StandardISO 6845 : 1989 Surface active agents Technical alkane sulfonates Determination of the mean relativemolecular mass of the alkane monosulfonates and the alkane monosulfonate content,which was prepared by ISO/TC 91 Surface activ
14、e agents of the International Organization for Standardization,has been adopted by Technical Committee CEN/TC 276 Surface active agents, the Secretariat of which is heldby AFNOR, as a European Standard.This European Standard shall be given the status of a national standard, either by publication of
15、an identicaltext or by endorsement, and conflicting national standards withdrawn, by August 2003 at the latest.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of thefollowing countries are bound to implement this European Standard:Austria, Belgium, the C
16、zech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland, and theUnited Kingdom.Endorsement noticeThe text of the International Standard ISO 6845 : 1989 was approved by CEN as a European Standard withoutany modification.Page 3EN ISO 6845 : 2003Page 4EN ISO 6845 : 2003Page 5EN ISO 6845 : 2003Page 6EN ISO 6845 : 2003
