ISO INTERNATIONAL STANDARD 9416 Third edition 2017-05 Paper Determination of light scattering and absorption coefficients (using Kubelka-Munk theory) Papier - Détermination des coefficients de diffusion et d'absorption de la lumiere (utilisation de la théorie de Kubelka-Munk) Reference number IS0 9416:2017(E) International Organization for Standardization @ IS0 2017 ee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 mitted without license from IHS IS0 9416:2017(E) COPYRIGHT PROTECTEDDOCUMENT 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 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 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 STANDARDIzRoISQ 7 - All rights reserved HS und networking permited without license from IHS IS0 9416:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions 4 Principle 5 Apparatus .3 6 Sampling and conditioning 7 Preparation of test pieces ..4 8 Procedure ..4 9 Calculation of results ..5 10 Test report .5 Annex A (informative) Spectral characteristics of reflectometers for measuring luminance factor 6 Annex B (informative) Precision. .10 Bibliography. .11 iii icenSee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 without license from IHS