ISO INTERNATIONAL STANDARD 23071 First edition 2021-04 Refractory products Determination of reduced species in carbon containing refractories by XRD Produits réfractaires - Détermination par DRX des especes réduites dans les réfractaires contenant du carbone Reference number IS0 23071:2021(E) so Copyright International Organization for Standardization @ISO2021 IS0 23071:2021(E) COPYRIGHTPROTECTEDDOCUMENT IS02021 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 below or ISo's member body in the country of the requester. ISO copyrightoffice CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland Copyigh ileratinal Organization for Standardization @ IS0 2021 - All rights reserved