ISO INTERNATIONAL STANDARD 8292-2 First edition 2008-04-01 Animal and vegetable fats and oils - Determination of solid fat content by pulsed NMR Part 2: Indirect method Corps gras d'origines animale et végétale - Détermination de la teneur en corps gras solides par RMN pulsée - Partie 2: Méthode indirecte Reference number ISO 8292-2:2008(E) @ ISO 2008 by IHS under lic itted without license from IHS Not for Resale ISO 8292-2:2008(E) PDF disclaimer 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 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 parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT @ ISO2008 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 [email protected] Web www.iso.org Published in Switzerland @ ISO 2008 - All rights reserved I without license from IHS Not for Resale ISO 8292-2:2008(E) Contents Page Foreword. iv 1 Scope 2 Normative references 3 Termsand definitions. 4 Symbols and abbreviated terms 5 6 Triolein standard sample 7 Apparatus. 8 Sampling. 9 Procedure.. 9.1 Measurement protocol and test sample. 9.2 Oven, water baths and temperature-controlled blocks 9.3 NMR spectrometer. 9.4 Filling the measurement tubes. 9.5 Removing the thermal history... 9.6 Equilibrating at the initial temperature and measuring the 100 % liquid signal 9.7 Crystallization and tempering .... .6 9.8 Measuring the SFC. 9.9 Number of determinations 9.10 Cleaning the measurement tubes 10 Expression of results 11 .8 11.1 Interlaboratory test 11.2 Repeatability... 11.3 Reproducibility.. .8 12 Test report .8 Annex A (informative) Results of interlaboratory tests.. .9 Annex B (informative) Theory of indirect method. 12 Annex C (informative) Additional measurement protocols.. 14 Bibliography 6 Copyright International Organizaion for Standardizalon'ghts reserved ii nse from IHS Not for Resa