ISO INTERNATIONAL STANDARD 18842 First edition 2015-08-15 Aluminium oxide primarily used for the production of aluminium Method for the determination of tapped and untapped density Oxyde d'aluminium principalement utilise pour la production d'aluminium - - Méthode de détermination de la masse volumique tassée ou inexploitée Reference number ISO 18842:2015(E) ISO International Organization for Standardization =Zhejiang Institute of Standardization 5956617 @IS02015 ded by IHS unde mitted without license from IHS IS0 18842:2015(E) COPYRIGHT PROTECTED DOCUMENT IS0 2015, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form 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 Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Internatinir DrganizationforStandardization networking permited without license from IHS IS0 18842:2015(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. 2 Normative references 3 Principle 4 Apparatus. ..1 5 Sample handling and preparation ..2 6 Procedure. ..2 6.1 Moisture determination ..2 6.2 Untapped bulk density determination. 2 6.3 Tapped bulk density determination. .3 7 Calculation and reporting of results ..3 8 Precision ..3 9 Test report .4 Bibliography 7 iii icenseeZhejiang Institute of Standardization 5956617 vided by IHS under d without license from IHS Not for Resale, 2015/11/11 08:34:53