ISO INTERNATIONAL STANDARD 6885 Fourth edition 2016-02-15 Animal and vegetable fats and oils - Determination of anisidine value Corps gras d'origines animale et végétale - Détermination de I'indice d'anisidine Reference number ISO 6885:2016(E) ISO International Organization for Standardization See=ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02016 vided by IHS under I Not for Resale, 2016/4/26 02:06:38 No reproduction or networking permitted without license from IHS IS0 6885:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2016, 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. 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 STANDARDIZAISQ 0d6 - All rights reserved Not for Resale, 2016/4/26 02:06:38 networking permited without license from IHS IS0 6885:2016(E) Contents Page Foreword ..iv 1 Scope 2 Normative references ..1 3 Terms and definitions 4 Principle 5 Reagents. ..1 6 Apparatus. ..2 7 Sampling. 8 Preparation of test sample .2 9 Procedure. .3 9.1 Test portion and preparation of test solution ..3 9.2 Unreacted test solution. .3 9.3 Reacted test solution. .3 9.4 Blank. .3 9.5 Spectrometric measurement .3 9.6 Absorbance range. .3 10 Expression of results ..4 11 Precision ..4 11.1 Interlaboratory tests ..4 11.2 Repeatability ..4 11.3 Reproducibility .4 12 Test report .5 Annex A (informative) Results of the interlaboratory test .6 Bibliography 7 iii nsee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vithout license from IHS