ISO INTERNATIONAL STANDARD 22754 First edition 2008-11-15 Pulp and paper Determination of the effective residual ink concentration (ERIC number) by infrared reflectance measurement Pate et papier- Détermination de la concentration d'encre résiduelle relative (nombre ERiC) par mesurage de la réflectance infrarouge Reference number ISO 22754:2008(E) @ ISO 2008 ISO 22754:2008(E) PDFdisclaimer 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 downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The Iso Central Secretariat 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 COPYRIGHTPROTECTED DOCUMENT ISO2008 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 copyright@iso.org Web www.iso.org Published in Switzerland ISO2008-All rightsreserved ISO22754:2008(E) Contents Page Foreword. iv Introductior 1 Scope 2 Normative references 3 Terms and definitions. 4 Principle. 5 Apparatus 6 Sampling and preparation of test material. 6.1 Sampling..... 6.2 Preparation of the test pieces 6.3 Grammagedetermination... 7 Calibration . 8 Procedure. 9 Calculations. 5 10 Precision.. 6 11 Test report . Annex A (informative) Background to the ERiC measurement Bibliography... ion'ghts reserved ili