ISO/TS TECHNICAL SPECIFICATION 17383 First edition 2014-09-01 Determination of the triacylglycerol composition of fats and oils Determination by capillary gas chromatography Détermination de la composition des triacylglycerols des corps gras - Détermination par chromatographie en phase gazeuse sur colonne capillaire Reference number IS0/TS 17383:2014(E) ISO @IS02014 No repr mitted without license from IHS Not for Resale IS0/TS 17383:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2014 All rights reserved. Unless otherwise specified, 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 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 @ IS0 2014 - All rights reserved or networking permited without license from IHS Not for Resale IS0/TS 17383:2014(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references ..1 3 Terms and definitions ..1 4 Principle 5 Reagents. ..1 6 Apparatus. .2 7 Sampling. 8 Preparation of test sample ..3 9 Procedure. .3 9.1 Sample purification (if necessary) ..3 9.2 Separation of individual triglycerides by GC .3 9.3 Identification .3 9.4 Verification of the response factors ..3 10 Calculation 11 Precision ..4 11.1 Interlaboratory test 11.2 Repeatability limit (r) .4 11.3 Reproducibility limit (R) ..5 12 Test report ..5 Annex A (informative) Chromatograms .6 Annex B (informative) Results of interlaboratory test .10 Copyritnteatinal Organizasnt? Sanadizah rights reserved iii withoutlicense from IHS Not for Resale