1、ICS 25.220.10Preparation of steel substrates before application of paints and related productsTests for the assessment of surface cleanlinessPart 12: Field method for the titrimetric determination of water-soluble ferrous ions(ISO 8502-12:2003)English version of DIN EN ISO 8502-12Vorbereitung von St
2、ahloberflchen vor dem Auftragen von Beschichtungsstoffen Prfungen zur Beur-teilung der Oberflchenreinheit Teil 12: Feldprfung zur titrimetrischen Bestimmung von wasserlslichenEisenionen (ISO 8502-12:2003)A comma is used as the decimal marker.National forewordThis standard has been published in accor
3、dance with a decision taken by CEN/TC 139 Paints and varnishes(Secretariat: Germany) to adopt, without alteration, International Standard ISO 8502-12 as a EuropeanStandard.The responsible German body involved in its preparation was the Normenausschuss Beschichtungsstoffeund Beschichtungen (Coatings
4、and Coating Materials Standards Committee), Technical CommitteeKorrosionsschutz von Stahlbauten.DIN ISO 3696 and DIN EN ISO 8502-6 are the standards corresponding to International Standards ISO 3696and ISO 8502-6, respectively, referred to in clause 2 of the EN.National Annex NAStandard referred to(
5、and not included in Normative references)DIN EN ISO 8502-6 Preparation of steel substrates before application of paints and related products Testsfor the assessment of surface cleanliness Part 6: Extraction of soluble contaminantsfor analysis The Bresle method (ISO 8502-6:1995)DEUTSCHE NORM March 20
6、05DIN EN ISO 8502-12 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).English price group 7www.din.dewww.beuth.de9637712
7、Continued overleaf.Document comprises 7 pages.08.05G4G15G69G83G18G5English versionICS 25.220.10Preparation of steel substrates before application of paints and related productsTests for the assessment of surface cleanlinessPart 12: Field method for the titrimetric determination ofwater-soluble ferro
8、us ions(ISO 8502-12:2003) 2004. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN ISO 8502-12:2004 EVorbereitung von Stahloberflchen vordem Auftragen von Beschichtungsstof-fen Prfungen zur Beurteilung derOberflchenreinheit Teil 12: Fel
9、dpr-fung zur titrimetrischen Bestimmungvon wasserlslichen Eisenionen(ISO 8502-12:2003)This European Standard was approved by CEN on 2004-12-21.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anati
10、onal 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).A version in any othe
11、r 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, Cyprus, theCzech Republic, Denmark, Estonia, Finland, Fran
12、ce, Germany, Greece, Hungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, andthe United Kingdom.EN ISO 8502-12December 2004Management Centre: 36, rue de Stassart, B-1050 BrusselsEuropean Commi
13、ttee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungPrparation des subjectiles dacier avantapplication de peintures et de produitsassimils Essais pour apprcier lapropret dune surface Partie 12: M-thode in situ pour la dtermination titri-mtrique des ions ferreux hydros
14、olu-bles (ISO 8502-12:2003)Page 2EN ISO 8502-12:2004ForewordInternational StandardISO 8502-12:2003 Preparation of steel substrates before application of paints and related products Tests forthe assessment of surface cleanliness Part 12: Field method for the titrimetricdetermination of water-soluble
15、ferrous ions,which was prepared by ISO/TC 35 Paints and varnishes of the International Organization for Standardization,has been adopted by Technical Committee CEN/TC 139 Paints and varnishes, the Secretariat of which is heldby DIN, as a European Standard.This European Standard shall be given the st
16、atus of a national standard, either by publication of an identical textor by endorsement, and conflicting national standards withdrawn, by June 2005 at the latest.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of thefollowing countries are bound to impl
17、ement this European Standard: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.Endorsement noticeThe text of the International Standard ISO 8502-12:2003 was approved by CEN as a European Standard withoutany modification.234445555666Page 3EN ISO 8502-12:2004Page 4EN ISO 8502-12:2004Page 5EN ISO 8502-12:2004Page 6EN ISO 8502-12:2004
