BS ISO 17093:2015 BSI Standards Publication Corrosion of metals and alloys Guidelines for corrosion test by electrochemical noise measurements bsi. ..making excellence a habit. BS ISO 17093:2015 BRITISH STANDARD National foreword This British Standard is the UK implementation of ISO17093:2015 The UK participation in its preparation was entrusted to Technical Committee ISE/NFE/8, Corrosion of metals and alloys. 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. @The British Standards Institution 2015 Published by BSI Standards Limited 2015 ISBN 978 0580755583 ICS 77.060 Compliance with a British Standard cannot conferimmunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2015 Amendments/corrigendaissued sincepublication Date Text affected ISO 17093 INTERNATIONAL STANDARD First edition 2015-06-15 Corrosion of metals and alloys - Guidelines for corrosion test by electrochemical noise measurements Corrosion des metaux etalliages-Lignes directricespour essais de corrosionparmesuresdebruitélectrochimique TSO ISORefueg:20qsbey @IS02015 BS ISO 17093:2015 IS017093:2015(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2015, Published in Switzerland written permission. Permission can be requested from either Iso at the address below or Iso's member body in the country of the requester. fsodecepribtnfic8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 [email protected] 47 www.iso.org i @ IS0 2015 - All rights reserved BS ISO17093:2015 IS0 17093:2015(E) Contents Foreword iv 2 3 4 5 6 7 8 9 Annex on(informative)corrosion of simultaneous. .12 organically coated carbon steel 15 015 - All rights reserved Page 1 Scope Normativereferences 1 Terms and definitions 1 Principles 2 Apparatus andmeasurementmethods 3 Test cell 5 Measurementprocedure 5 Evaluation of instrument noise 6 Test report. 8 AnnexA (informative) Analysis ofdata B pitting currentandpotential noisemeasurement Exampleof Annex C (informative) Example of simultaneous current and potentialmeasurement on Bibliography 19 ii BS ISO 17093:2015 IS0 17093:2015(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards thadiegh(IsO tacmiset boahiasjtahewofkchf pitepareingbodyInittenresitedaihStandebjdstisoowhidlycarrtiechmital committeehas been established hastherighttoberepresentedonthat committee. International organizations, governmental and non-governmental, in liaison with Iso,also take part in the work. ISO collaborates closely with the electrotechnical standardization.International Electrotechnical Commission (IEC) on all matters of The procedures used to develop this document and those intended for its further maintenance are editorial rules of the Iso/IEC Directives, Part 2 (see www.iso.org/directives). Rttentionrights.diswts tan hebplssibthay sesponsithe fele maentiryfng alythsh'documaxtpa thet Pegnils, subject of beintheIntroductionand/ol anypatent on the Iso list of patent declarations received (see www.iso.org/patents). Anytrade used in this constitute nameendorsement.document is information given for the convenience of users and does not For an explanation on themeaning of Iso specificterms and expressions related toconformity tsSesadeTBT wetianfolowinatRlaboutSO'sewordshspieeththe WonparinsiRlethe Technical Barriers The committeeresponsibleforthis document isIso/TC156,Corrosion of metals andalloys,in cooperation @ IS0 2015 All rights reserved iv