ISO INTERNATIONAL STANDARD 14647 First edition 2000-03-15 Metallic coatings Determination of porosity in gold coatings on metal substrates Nitric acid vapour test Revetements métalliquesDétermination de la porosite des revetements d'or sur les substrats de métal Essai a la vapeur d'acide nitrique Reference number ISO 14647:2000(E) ISO @ ISO 2000 ISO 14647:2000(E) PDF disclaimer 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 file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISsO Central Secretariat accepts no liability in this area. Adobe is a trademark of 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 @ISO2000 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 22 734 10 79 E-mail copyright@iso.ch Web www.iso.ch Printed in Switzerland IsO2000-Allrightsreserved ISO 14647:2000(E) Contents Page Foreword Introduction, 1 Scope 2 Normative references. 3 Terms and definitions 4 Apparatus 5 Reagent. 6 Safety 7 Procedure 8 Precision 9 Test report.. Annex A (informative) Time of exposure to nitric acid vapour.. Annex B (informative) Procedure recommended for avoiding the use of chlorinated hydrocarbons ... Bibliography ....