ISO INTERNATIONAL STANDARD 18314-1 First edition 2015-06-01 Analytical colorimetry - Part 1: Practical colour measurement Analysecolorimétrique- Partie 1: Mesurage pratique de la couleur Reference number ISO 18314-1:2015(E) IS02015 IS0 18314-1:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2015, 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. IsOcopyrightoffice 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 ii @ IS0 2015 - All rights reserved IS0 18314-1:2015(E) Q:120008749 Contents Page Foreword ..iv 1 Scope 2 Normative references 3 Sample preparation. 4 Sample measurement .2 4.1 General. 2 4.2 Recommended colourimetric conditions. .2 5 Calibration .2 5.1 General 2 5.2 Environmental conditions .2 5.3 White calibration 2 5.4 Black calibration. .3 5.5 Control measurement 3 5.6 Storage of the calibration standards .3 6 Apparatus. ..3 6.1 Spectrophotometer. 3 6.2 Tristimulus colourimeter 3 7 Selection of appropriate measurement geometry ..3 Bibliography 5 @ IS0 2015 - All rights reserved iii