ISO INTERNATIONAL STANDARD 3085 Fifth edition 2019-08 Iron ores Experimental methods for checking the precision of sampling, sample preparation and measurement Minerais de fer - Méthodes expérimentales de controle de la fidelite de I'échantilonnage, de preparation des échantillons et de mesurage Referencenumber IS0 3085:2019(E) so @ IS0 2019 IS0 3085:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 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: +4122 749 0111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved