ISO NTERNATIONAL STANDARD 10058-1 First edition 2008-12-01 Chemical analysis of magnesite and dolomite refractory products (alternative to the X-ray fluorescence method) Part 1: Apparatus, reagents, dissolution and determination of gravimetric silica Analyse chimique des produits de magnésie et de dolomie (méthode alternative a la methode par fluorescence de rayons X) Partie 1: Appareillage, reactifs, mise en solution et determination de la teneur en silice par gravimetrie Reference number ISO 10058-1:2008(E) @ ISO 2008 ISO 10058-1:2008(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. 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 the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. 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, 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 ii ISO2008-All rights reserved ISO 10058-1:2008(E) Contents Page Foreword .iv 1 Scope 2 Normative references 3 Terms and definitions . 4 Apparatus 5 Reagents 6 Sample preparation 7 Determination of loss on ignition (gravimetric). .6 8 Decomposition of the sample and preparation of solutions used in the analysis. 8.1 General decomposition techniques .. 8.2 Dissolution methods by fusion.. 8.3 Dissolution methods by hydrofluoric acid attack.. 9 Calculation and expression of test results. 10 Examination and adoption of test results.... 11 Annex A (informative) References for stock solutions and blank solutions in Iso 10058-1:2008....... 12 @ IS0 2008 - All rights reserved ii