ISO INTERNATIONAL STANDARD 28198 Second edition 2018-09 Vegetable fats and oils Determination of toluene insoluble matter Corps gras d'origine vegétale - Détermination des matieres insolubles dans le toluene Reference number IS0 28198:2018(E) International Organization for Standardization see=Shenzhen Institute of Standards and Technology 9972181 @IS02018 IS0 28198:2018(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland Internatinir prganization for Standardization Licensee-Shenzhen Inste f standards and@S- All rights reserved rious National Standards Bodies Not for Resale, 2018/12/5 06:50:30 No reproduction or networking permitted without license from IHS IS0 28198:2018(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 Principle 5 Reagents. ..1 6 Apparatus ..2 7 Sampling. ..2 7.1 General ..2 7.2 Preparation of the test sample .3 8 Procedure 9 Calculation ..3 10 Precision ..4 10.1 Interlaboratory test. 10.2 Repeatability ..4 10.3 Reproducibility .4 11 Test report .4 Annex A (informative) Results of interlaboratory tests Bibliography 7 Intenationa oganiaion @s1Sar218 - All rights reserved iii nsee=Shenzhen Institute of Standards and Technology 9972181 Not for Resale, 2018/12/5 06:50:30