ISO INTERNATIONAL STANDARD 15720 First edition 2001-04-15 Metallic coatings Porosity tests - Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography Revetements meétalliquesEssais de porositePorosite des revetements d'or ou de palladium sur métaux par électrographie par gelification Reference number: ISO 15720:2001(E) ISO @ ISO 2001 py IHS under ted without license from IHS Not for Resale ISO 15720:2001(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this area. Adobe is a trademarkof Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event @ISO2001 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.ch Printed in Switzerland @ISO2001-All rightsreserved py IHS unde ermittedwithoutlicense from IHS Not for Resale ISO 15720:2001(E) Contents Page Foreword. Introduction 1 Scope 2 Normative references 3 Terms and definitions 4 Apparatus 5 Reagent. 6 Safety hazards. 7 Procedure 8 Examination 6 Precision. 10 Test report. Annex A (informative) Useful guidelines for examining samples. 9 Annex B (informative) Significance and use. Bibliography ili d by IHS under license with se from IHS Not for Resale