ISO INTERNATIONAL STANDARD 20565-2 First edition 2008-12-01 Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) - Part 2: Wet chemical analysis Analyse chimique des produits refractaires contenant du chrome et des matieres premieres contenant du chrome (methode alternative a la méthode par fluorescence de rayons X) - Partie 2: Méthodes d'analyse chimique par voie humide Reference number ISO 20565-2:2008(E) @ ISO 2008 or Standardization with ISC No reproduction or networking pemitted without license from IHS Not for Resale ISO20565-2:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but accepts no liability in this area. AdobeisatrademarkofAdobeSystemsIncorporated Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In COPYRIGHTPROTECTEDDOCUMENT ISO2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either Iso at the address below or IsO's member body in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland CoDvriaht in for Standardization @ ISO 2008 - All rights reserved tional Orqanizatic bv IHS un with ISC No reproduction or networking permitted without license from IHS Not fr Resale ISO 20565-2:2008(E) Contents Page Foreword, iv 1 Scope 2 Normativereferences 3 Determination of silicon(IV) oxide... 2 4 Determination of aluminium oxide. 5 5 Determination of total iron as iron(lll) oxide ... 6 Determination of titanium(IV) oxide 7 Determination of manganese(ll) oxide .. 13 8 Determination of calcium oxide .. 2 9 Determination of magnesium oxide.. 15 10 Determination of sodium oxide by flame photometry 18 11 Determination of potassium oxide by flame spectrophotometry ... ..20 12 Determination of chromium() oxide ... .21 13 Determination of zirconium oxide by xylenol orange absorption spectroscopy... 14 Determination of phosphorus(V) oxide by molybdenum blue method 25 15 Test report. 27 dardization'ghts reserved ii with ISC No reproduction or networking pemitted without license from IHS Not for Resale