ISO INTERNATIONAL STANDARD 16995 Firstedition 2015-02-15 Solid biofuels Determination of the water soluble chloride, sodium and potassium content Biocombustibles solides -Détermination de la teneur en chlorure, sodium et potassium solubles dans I'eau Reference number IS0 16995:2015(E) ISO International Organization for Standardization Zhejiang Institute of Standardization 5956617 @ISO2015 vided by IHS under I ermitted without license from IHS IS0 16995:2015(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2015 All rights reserved. Unless otherwise specified, 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 on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyrightoffice Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax +4122 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland Prganizationfor Standardization I by IHS unde Not for Resale, 2015/6/2 06:34:15 etworking permitted without license from IHS IS0 16995:2015(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. 2 Normative references 3 Terms and definitions 4 Principle ..2 5 Reagents. ..2 6 Apparatus ? 7 Preparation of the test sample ..2 8 Procedure. .2 8.1 Extraction. . 2 8.2 Detection methods 3 8.2.1 General. .3 8.2.2 Methods for the determination of chloride concentration. .3 8.2.3 Methods for the determination of sodium and potassium concentration .3 8.3 Blank test. .3 9 Calculation ..4 10 Performance characteristics ..4 11 Test report ..4 Annex A (informative) Performance data .5 Bibliography .7 iii see=Zhejiang Institute of Standardization 5956617 vided by IHS under ithout license from IHS