BS ISO 15063:2011 BSI Standards Publication Plastics Polyols for use in the production of polyurethanes - Determination of hydroxyl number by NiR spectroscopy bsi. ..making excellence a habit. BSISO15063:2011 BRITISHSTANDARD National foreword This British Standard is the UK implementation ofISO 15063:2011. The UK participation in its preparation was entrusted to Technical Committee PRI/42, Fibre reinforced thermosetting plastics and prepregs. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @BSI 2011 ISBN9780580539428 ICS 83.080.10 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2011. Amendments issued since publication Date Text affected BSISO15063:2011 INTERNATIONAL ISO STANDARD 15063 Second edition 2011-09-15 PlasticsPolyolsforuse intheproduction ofpolyurethanesDeterminationof hydroxyl number by NiR spectroscopy Plastiques Polyols pour la production de polyurethannes Determination de I'indice d'hydroxyle par spectroscopie dans le proche infrarouge Reference number ISO 15063:2011(E) @ISO2011 BSISO15063:2011 ISO15063:2011(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2011 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 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 ii @IsO 2011 -All rights reserved BSISO15063:2011 ISO 15063:2011(E) Contents Page Foreword .iv Introduction. 1 Scope. 2 Normativereferences. 3 Terms and definitions. 4 Principle. 4.1 General.... 4.2 Procedure employed 4.3 Limitations. 5 Instrumentation 5.1 General. 5.2 Light source and detector 5.3 Spectrometer 3 5.4 Sampling system. 5.5 Software. 6 Developing a calibration model. 3 6.1 Selection of calibration materials. 6.2 Reference method andreference values 4 6.3 Determining wavelength regions and pathlength 6.4 Reduction of sources of spectral variation. 6.5 Multivariatemathematicaltreatments 5 6.6 Evaluating calibration models . 5 7 Validation of a multivariate calibration model 5 8 Calibration transfer. 6 9 Calibration quality control 6 10 Procedure 6 10.1 General. 6 10.2 Calibration curve 10.3 Measurement. 10.4 Illustrative results 11 Precision of NIR estimated values 12 Test report AnnexA(informative)lllustrativeresults. .8 Annex B (informative) NiR spectral measurements .15 Annex C(informative)Spectrometers. .16 Annex D (informative) Sampling systems. ..17 AnnexE (informative)Selectionof calibration materials ..18 AnnexF(informative)Multivariate analysis .20 Annex G (informative) Statistical tools used to optimize calibration models. ..22 AnnexH (informative) Sources of calibrationand analysis error ..25 .26 Annex I (informative) Monitoring the performance of the instrument and calibration model Bibliography. 27 ili @ISO 2011-All rights reserved BSISO15063:2011 ISO 15063:2011(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (lSOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISo Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards International Standard requires approval byat least 75 % of the