BS ISO 540:2008 BRITISH STANDARD Hard coal and coke - Determination of ash fusibility ICS 73.040; 75.160.10 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSISO540:2008 National foreword This British Standard is the UK implementation of ISO 540:2008.It supersedes BS 1016-113:1995 which is withdrawn. The UK participation in its preparation was entrusted to Technical CommitteePTI/16, Solid mineralfuels. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard Amendments/corrigenda issued sincepublication was published under the authority of the Standards Policy and Strategy Date Comments Committee on 31 July 2008 BSI2008 ISBN 978 0 580 565076 BS IS0 540:2008 INTERNATIONAL ISO STANDARD 540 Fourth edition 2008-06-01 Hard coal and cokeDetermination of ash fusibility Houille et cokeDeterminationde lafusibilite des cendres Reference number ISO 540:2008(E) ISO @ISO2008 BS ISO 540:2008 ISO540:2008(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 shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat acceptsno liability inthisarea 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, 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 Casepostale56.CH-1211Geneva20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii @ ISO 2008 -All rights reserved BSISO540:2008 ISO540:2008(E) Contents Page Foreword. Introductior 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Reagents 6 Apparatus 7 Test conditions.. 7.1 Test atmosphere .. 7.2 Shape of test piece 8 Calibration check 9 Preparation of the test piece 10 Procedure 11 Precision of the method 11.1 Repeatability limit ... 8 11.2 Reproducibility limit 8 12 Test report 13 Precision statement. 9 Bibliography @ ISo 2008 -All rights reserved ili BS ISO 540:2008 ISO540:2008(E) Foreword IsO (the International Organizationfor Standardization) is a worldwide federation of national standards bodies non-governmental, in liaison with IsO, also take part in the work. Iso collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent right