ISO INTERNATIONAL STANDARD 23163 First edition 2019-03 Nickel and nickel alloys Refined nickel Sampling Nickel et alliages de nickel - Nickel raffiné - Echantillonnage Reference number IS0 23163:2019(E) osi @IS02019 IS0 23163:2019(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: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0 23163:2019(E) Contents Page Foreword .iv Introduction. .V 1 Scope. .1 2 Normative references ..1 3 Terms, definitions and symbols Terms and definitions 3.2 Symbols... 4 Presentation of the product ..2 5 Principle of sampling procedure ..2 6 Sample preparation .2 7 Sampling of whole-sheet cathodes .3 7.1 Primary sampling. .3 7.2 Secondary sampling ..5 8 Sampling of drums containing forms requiring comminution or machining. ..5 8.1 General .5 8.2 Primary sampling .6 8.3 Secondary sampling ..8 9 Sampling of drums containing forms not requiring comminution or machining .9 9.1 General .9 9.2 Primary sampling .9 9.3 Secondary sampling .9 10 Sampling report .9 Annex A (informative) Justification of the number of primary and secondary increments selected ..10 Annex B (informative) Technical conditions for drilling and milling ..14 Bibliography .16 @ IS0 2019 - All rights reserved ii