ISO INTERNATIONAL STANDARD 17736 First edition 2010-12-15 Workplace air quality Determination of isocyanate in air using a double-filter sampling device and analysis by high pressure liquid chromatography Qualité de I'air des lieux de travail - Dosage des isocyanates dans I'air au moyen d'un dispositif d'échantillonnage a filtre double et par analyse par chromatographie liquide a hauteperformance Reference number ISO 17736:2010(E) @ ISO 2010 y IHS under I without license from IHS Not for Resale ISO 17736:2010(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 COPYRIGHTPROTECTEDDOCUMENT @ISO2010 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or IsO's memberbody 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 2010 - All rights reserved ed without license from IHS Not for Resale ISO 17736:2010(E) Contents Page Foreword .iv Introduction. 1 Scope 2 Normative references.. 3 Principle 4 Reagents and materials . 5 Apparatus 6 Air sampling.... 6.1 Calibration of sampling system ... 6.2 Preparation of sampling equipment. 6.3 Preparation of MAMA-impregnated filter.. 6.4 Collection of samples .... 6.5 Blanks.... 7 Procedure... 7.1 Safety precautions .. 7.2 Calibration standard. 8 Sample processing.... .6 8.1 Vapour analysis .. 8.2 Aerosolanalysis. 9 HPLC conditions... 9.1 9.2 HPLC conditions -vapourisocyanates... 9.3 HPLC conditions - aerosol isocyanates .... 10 Analysis.. 10.1 Calibration curve . .8 10.2 10.3 Sample quantification .. 11 Interference. ..9 12 Determination of performance characteristics ... ..10 12.1 Introduction..... 10 12.2 Relevant uncertainty contributions and criteria . 12.3 Assessment of performance characteristics, following the detailed approach in ISO/IEC Guide 98-3[5] .11 Annex A (informative) Performance characteristics ..18 Annex B (informative) Sample chromatograms ..20 Bibliography 27 Copyrght International Organization far Standardizlon ghts reserved ii ted withoutlicensefromIHS Not for Resale