ISO INTERNATIONAL STANDARD 12985-1 Second edition 2018-05-16 Carbonaceous materials used in the production of aluminium Baked anodes and cathode blocks - Part 1: Determination of apparent density using a dimensions method Produits carbonés utilisés pourla production de I'aluminium- Anodescuitesetblocs cathodiques Partie 1: Determination de la masse volumique apparente par une methodedemesurage dimensionnel Referencenumber ISO 12985-1:2018(E) ISO @IS0 2018 @ IS0 2018, 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.deBlandonnet8 ·CP401 CH-1214 Vernier,Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org ii ISO 2018-Allrights reserved Contents Page Foreword iv 1 Scope 1 2 Normative references. .1 3 Terms and definitions .1 4 Principle .1 5 Apparatus. .1 6 Sampling. .2 7 Procedure. .2 7.1 Measurement of dimensions. 2 7.2 Determination of dry mass 2 8 Calculation .2 9 Precision .3 9.1 Repeatability. 3 9.2 Reproducibility 3 10 Test report .3 Bibliography 4 @ IS0 2018 - All rights reserved iii