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ISO INTERNATIONAL STANDARD 1170 Fourth edition 2020-09 Coal and coke Calculation of analyses to different bases Charbon et coke -Calculs pour les analyses par rapport a differentesbases Reference number IS0 1170:2020(E) ISO @ISO 2020 IS0 1170:2020(E) COPYRIGHTPROTECTEDDOCUMENT @IS02020 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 memberbody in the country ofthe requester. ISO copyright office CP 40i : Ch.de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22.749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved IS01170:2020(E) Contents Page Foreword ..iv 1 Scope. ..1 2 Normatives references 3 Terms, definitionsand symbols 3.1 Terms and definitions 1 3.2 Symbols 1 4 Principle 5 Calculationsforcoalanalyses ..2 5.1 General .2 5.2 Procedure .2 5.3 Carbon. 3 Hydrogen .3 5.4 5.5 Nitrogen. 3 5.6 Sulfur .3 5.7 Oxygen. 4 5.8 Chiorine. .4 5.9 Volatile matter 5.10 Netcalorificvalue .5 6 Calculations for coke analyses .5 7 Table for calculation to different bases .5 Annex A (informative)Mineral matter. .6 Bibliography 7 @IS0 2020 -All rights reserved ili

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