BS EN ISO BRITISH STANDARD 27874:2008 Metallic and other inorganic coatings - Electrodeposited gold and gold alloy coatings for electrical. electronic and engineering purposes - Specification and test methods (ISO 27874:2008) ICS 25.220.40, BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSENISO27874:2008 National foreword This British Standard is the UK implementation of EN ISO 27874:2008. It supersedes BS4292-1:1989 and BS6670-1:1986 and BS6670-4:1986 and BS6670-5:1986 which are withdrawn. The UK participation in its preparation was entrusted to Technical Committee STI/33, Electrodeposited and related coatings. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity fromlegalobligations. This British Standard Amendments/corrigendaissuedsincepublication was published under the authority of the Standards Policy and Date Comments Strategy Committee on 30 November 2008 BSI 2008 ISBN978 0580592188 EUROPEANSTANDARD ENISO27874 NORMEEUROPEENNE EUROPAISCHENORM September2008 ICS 25.220.40 English Version Metallic and otherinorganic coatings s-Electrodepositedgold andgoldalloy coatingsforelectrical,electronic and engineering purposes - $ Specification and test methods s(1SO27874:2008) Revetements metalliques etautres revetements Metalische Uberzuge - Galvanische Gold- und inorganiques - Dépots électrolytiques dor et d'alliages d'or Goldlegierungsuberzuge fur elektrische, elektronische und pour usages electrique, electronique et industriels technische Zwecke - Anforderungen und Prufverfahren Spécification etmethodes d'essai (ISO 27874:2008) (ISO 27874:2008) Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any otherlanguage made by translation official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany,Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels @2008CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 27874:2008: E worldwide for CEN national Members. BSENISO27874:2008 EN ISO 27874:2008 (E) Foreword This document (EN ISO 27874:2008)has been prepared by Technical Committee ISO/TC 107"Metallic and coatings" the secretariat of which is held by BSl. text or by endorsement, at the latest by March 2oo9, and conflicting national standards shall be withdrawn at the latest by March 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent countries are bound to implement this European Standard:Austria,Belgium,Bulgaria,Cyprus,Czech Republic,Denmark, Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia, Lithuania, Luxembourg,Malta,Netherlands,Norway,Poland, Portugal, Romania, Slovakia, Slovenia,Spain, Sweden, Switzerland and the United Kingdom. Endorsementnotice BS ENISO27874:2008 ISO27874:2008(E) Contents Page Foreword. iv Introduction 1 Scope 2 Normativereferences.. 3 Terms and definitions. 4 Informationtobesuppliedtotheelectroplater. 5 Designation.. 6 Requirements and test methods. 6 7 Sampling.. AnnexA(normative)Requirementsforundercoats..... Annex B (normative) Methods of