ISO INTERNATIONAL STANDARD 659 Fourth edition 2009-07-01 Oilseeds Determination of oil content (Reference method) Graines oleagineuses - Détermination de la teneur en huile (Méthode de référence) Reference number ISO 659:2009(E) @ ISO 2009 ISO 659:2009(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 the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT ISO2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 @ISO2009-All rightsreserved ISO659:2009(E) Contents Page Foreword. 1 Scope 2 Normative references 3 Terms and definitions.. 4 Principle. 5 Reagent. 6 Apparatus 7 Sampling.. 8 Preparation oftest sample.. 3 8.1 Reduction of laboratorysample.... 8.2 Predrying .. 8.3 Testsample. 9 Procedure 9.1 General. 5 9.2 Testportion 9.3 Determination. 9.4 "oil content"of impurities 10 Expression of results 10.1 Methodofcalculation. 11 11.1 Interlaboratorytestprogramme 10 11.2 Repeatability.. 10 11.3 Reproducibility. 10 12 Test report AnnexA(informative)Resultsof interlaboratorytestsonthedeterminationofoilcontent..... .11 Bibliography 12 alion'ghts reserved ili