ISO INTERNATIONAL STANDARD 16993 Second edition 2016-07-01 Solid biofuels Conversion of analytical results from one basis to another Biocombustibles solides - Conversion de résultats analytiques d'une base en une autre base Reference number A IS0 16993:2016(E) ISO @IS02016 y IHS under lic itted without license from IHS IS0 16993:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form 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 copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org @ IS0 2016 - All rights reserved No reproductic networking permited without license from IHS IS0 16993:2016(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Symbols and abbreviated terms 4 Principle .2 5 Calculations for analyses of solid biofuels .2 5.1 General .2 5.2 Extra calculations for hydrogen, oxygen, and net calorific value .2 5.2.1 Hydrogen .2 5.2.2 Oxygen. .2 5.2.3 Net calorific value .3 5.3 General formulae for the conversion from one basis to another basis 3 Annex A (informative) Tools for integrity check .4 Annex B (informative) Tables with units and conversion factors 7 Annex C (informative) Guideline for the use of validation parameters. .8 Bibliography 10 iii license from IHS