ISO/TS TECHNICAL SPECIFICATION 17307 Firstedition 2016-02-01 Petroleum products Biodiesel - Determination of total esters content by gas chromatography Produits pétroliers - Biodiesel Dosage de la teneur en esters totale par chromatographie en phase gazeuse Reference number ISO/TS 17307:2016(E) SO International Organization for Standardization ZHEJIANG INST OF STANDARDIZATION C15956617 @IS02016 vided by IHS under I itted without license from IHS IS0/TS 17307:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS02016,PublishedinSwitzerland 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 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 PrganizationforStandardization ensee-ZHEJIANG INST OF STANDARDIZRoISQ ,6 - All rights reserved Not for Resale, 2016/3/29 02:51:1 etworking permitted without license from IHS IS0/TS 17307:2016(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references ..1 3 Terms and definitions 4 Principle 5 Apparatus. ..2 6 Reagents and materials .2 7 Sampling. ..3 8 Procedure .3 8.1 Preparation of the apparatus. ..3 8.2 Preparation of the calibration curve .4 8.3 Sample preparation .4 8.4 Procedure .4 9 Expression of results ..5 10 Precision .5 10.1 General. ..5 10.2 Repeatability, r .5 10.3 Reproducibility, R .5 11 Test report .6 Annex A (informative) Examples of chromatograms Annex B (informative) Preparation of standard solutions ..10 Bibliography .11 iii See=ZHEJIANG INSTOFSTANDARDIZATION C15956617 vided by IHS underI ithout license from IHS