ISO INTERNATIONAL STANDARD 3923-1 Fourth edition 2018-05 Metallic powders - Determination of apparent density - Part 1: Funnel method Poudres métalliques - Détermination de la masse volumique apparente- Partie 1: Méthode deI'entonnoir Reference number IS0 3923-1:2018(E) so @ IS0 2018 IS0 3923-1:2018(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2018 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: +4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2018 - All rights reserved IS0 3923-1:2018(E) Contents Page Foreword ..iv 1 Scope 2 Normative references ..1 3 Terms and definitions 4 Principle ..1 5 Symbols and designations 6 Apparatus ..2 7 Sample. 8 Procedure ..3 9 Expression of results 2, 10 Precision ..4 10.1 Repeatability 10.2 Reproducibility .4 11 Test report. .4 Annex A (normative) Carney funnel ..5 Bibliography 6 @ IS0 2018 - All rights reserved iii