ISO INTERNATIONAL STANDARD 9202 Third edition 2019-04 Jewellery and precious metals Fineness of precious metal alloys Joaillerie, bijouterie et métaux précieux - Titre des alliages de métaux précieux Reference number ISO 9202:2019(E) osi @IS02019 IS0 9202:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland i @ IS0 2019 - All rights reserved IS0 9202:2019(E) Contents Page Foreword ..iv 1 Scope ..1 2 Normative references. 3 Terms and definitions. 4 Analytical methods for determining fineness ..2 5 Range of fineness ..2 @ IS0 2019 - All rights reserved ii