IEC IEC62321-7-2 Edition 1.02017-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Determination of certain substances in electrotechnical products - Part 7-2: Hexavalent chromium - Determination of hexavalent chromium (Cr(Vl)) in polymers and electronics by the colorimetric method Détermination de certaines substances dans les produits électrotechniques Partie 7-2: Chrome hexavalent - Determination du chrome hexavalent (Cr(Vl)) dans les polymeres et les produits électroniques par methode colorimetrique IEC 62321-7-2:2017-03(en-fr cense from IHS THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2017 IEC, Geneva, Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or yourlocal IECmemberNational Committeeforfurther information Droits de reproduction reserves. Sauf indication contraire, aucune partie de cette publication ne peut etre reproduite ni utilisée sous quelque forme que ce soit et par aucun procedé, électronique ou mecanique, y compris la photocopie et les microfilms, sans I'accord écrit de I'IEC ou du Comite national de I'IEC du pays du demandeur. Si vous avez des questions sur le copyright de I'lEC ou si vous desirez obtenir des droits supplementaires sur cette publication, utilisez les coordonnees ci-apres ou contactez le Comite national de I'lEC de votre pays de residence. IEC CentralOffice Tel.: +4122 919 0211 3, rue de Varembé Fax:+41229190300 CH-1211 Geneva 20 [email protected] Switzerland www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. AboutIECpublications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition, a corrigenda oranamendment might havebeen published IEc Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org The stand-alone application for consulting the entire The world's leading online dictionary of electronic and bibliographical information on IEC International Standards, electrical terms containing 20 000 terms and definitions in Technical Specifications, Technical Reports and other English and French, with equivalent terms in 16 additional documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical iPad. Vocabulary (IEV)online. IEC publications search - www.iec.ch/searchpub IEc Glossary -std.iec.ch/glossary The advanced search enables to find IEC publications by a varietyofcriteria (reference number, text, technical French extracted from the Terms and Definitions clause of committee,.). It also gives information on projects, replaced IEC publications issued since 2002. Some entries have been and withdrawn publications. collected from earlier publications of IEC TC 37, 77, 86 and CISPR. IEc Just Published - webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published IEC Customer Service Centre - webstore.iec.ch/csc details all new publications released. Available online and If you wish to give us your feedback on this publication or also once a month by email. need furtherassistance,pleasecontacttheCustomerService Centre: [email protected] A propos de IIEC La Commission Electrotechnique Internationale (lEC)est la premiere organisation mondiale qui élabore et publie des Normes internationales pour tout ce qui a trait a I'electricite, a 'electronique et aux technologies apparentees. Apropos des publications IEC Le contenu technique des publications IEC est constamment revu.Veuillez vous assurer que vous possedez I'éedition la plus récente, un corrigendum ouamendement peut avoirétepublié. Catalogue IEC-webstore.iec.ch/catalogue Electropedia-www.electropedia.org Application a