DIN EN 14712-2005 Surface active agents - Determination of physical stability in alkaline and acid solutions German version EN 14712 2005《表面活性剂 酸碱溶液中物理稳定性的测定》.pdf

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1、DEUTSCHE NORM 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).August 2005DIN EN 14712English price group 9 www.din.de

2、www.beuth.de12.05 9658197Document comprises 10 pages.Surface active agentsDetermination of physical stability in alkaline and acid solutionsEnglish version of DIN EN 14712Grenzflchenaktive Stoffe Bestimmung der physikalischen Stabilitt in alkalischer und saurer LsungNational forewordThis standard ha

3、s been prepared by CEN/TC 276 Surface active agents (Secretariat: France).The responsible German body involved in its preparation was the Normenausschuss Materialprfung (Mate-rials Testing Standards Committee), Technical Committee NMP 563 Anwendungstechnische Prfverfahren fr Tenside.The DIN Standard

4、 corresponding to the European Standard referred to in clause 2 of the EN is as follows:EN Standard DIN StandardEN ISO 3696 DIN ISO 3696National Annex NA(informative)BibliographyDIN ISO 3696 Water for analytical laboratory use Specification and test methods (ISO 3696:1987)ICS 71.100.40English versio

5、nICS 71.100.40Management Centre: rue de Stassart, 36 B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr Normung 2005. CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national members.Ref. No. EN 14712:2005

6、EEN 14712May 2005Surface active agentsDetermination of physical stability in alkaline and acid solutionsAgents de surface Dtermination de la stabilit physique dans les solu-tions alcalines et acidesGrenzflchenaktive Stoffe Bestim-mung der physikalischen Stabilitt in alkalischer und saurer LsungThis

7、European Standard was approved by CEN on 2005-03-25.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.Up-to-date lists and bibliographical references conc

8、erning such national stand-ards may be obtained on application to the Management Centre or to any CEN 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 a CEN member into its own la

9、nguage and notified to the Management Centre has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, and the United Kingdom.Page 2 EN 14712:2005Page 3 EN 14712:2005Page 4 EN 14712:2005Page 5 EN 14712:2005Page 6 EN 14712:2005Page 7 EN 14712:2005Page 8 EN 14712:2005Page 9 EN 14712:2005

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