ISO INTERNATIONAL STANDARD 15064 Third edition 2017-06 Plastics Aromatic isocyanates for use in the production of polyurethanes Determination of the isomer ratio in toluenediisocyanate (TDI) Plastiques - Isocyanates aromatiques pour utilisation dans la production de polyuréthannes - Détermination du rapport des isomeres dans le diisocyanate de toluene (TDI) Reference number IS0 15064:2017(E) International Organization for Standardization @ IS0 2017 e=ZHEJIANG INST OF STANDARDIZATION C1 5956617 HS unde ted without license from IHS IS0 15064:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, 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 Licensee-ZHEJIANG INST OF STANDARDIZAISQ 07 - All rights reserVed Not for Resale, 2017/9/11 05:45:56 networking permited without license from IHS IS0 15064:2017(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 Sampling. 5 Principle ..2 5.1 Method A .2 5.2 Method B .2 6 Reagents. ..2 7 Apparatus .3 8 Test conditions. ..3 9 Method A — Samples containing between 5 % and 95 % of 2,6-TDI .3 9.1 Calibration .3 9.2 Procedure. .5 9.3 Expression of results .5 9.4 Precision and bias 5 9.4.1 Precision. 5 9.4.2 Bias .5 9.5 Test report. 6 10 Method B Samples containing 0 % to 5 % of 2,6-TDI .6 10.1 Calibration ..6 10.2 Procedure 6 10.3 Expression of results ..6 10.4 Precision and bias . 7 10.4.1 Precision. 10.4.2 Bias 7 10.5 Test report. 7 Annex A (normative) Calibration curves. 8 ii Not for Resale, 2017/9/11 05:45:56 icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under lic se with ISt d without license from IHS