ISO INTERNATIONAL STANDARD 14896 Third edition 2009-02-15 Plastics Polyurethane raw materials - Determination of isocyanate content Plastiques - Matieres premieres des polyurethannes - Détermination de la teneur en isocyanate Reference number ISO 14896:2009(E) @ ISO 2009 by IHS under lic itted without license from IHS Not for Resale ISO 14896:2009(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 accepts no liability in this area. 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 @ ISO2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2009 - All rights reserved edwithoutlicense from IHS Not for Resale ISO 14896:2009(E) Contents Page Foreword 1 Scope 2 Normative reference 3 Terms and definitions 4 Principle.. 4.1 Method A. 4.2 Method B. 5 Application 6 Interferences 7 Sampling Test conditions 6 Reagents 10 Apparatus 11 Method A Toluene/dibutylamine with aqueous HCI 11.1 Procedure ..... 11.2 Expression of results 11.3 Precision and bias. 11.4 Test report .... 12 Method B Toluene/TCB/DBA with methanolic HCI. 12.1 Procedure..... 12.2 Expression of results 12.3 Precision and bias 12.4 Test report Copyright International Organization for standardizalon ghts reserved ii THS unde nse from IHS Not for Resale