ISO INTERNATIONAL STANDARD 11024-2 First edition 1998-12-01 Essential oils General guidance on chromatographic profiles - Part 2: Utilization of chromatographic profiles of samples of essential oils Huiles essentielles Directives genérales concernant les profils chromatographiques - Partie 2: Utilisation des profils chromatographiques des échantllons d'huiles essentielles Tso Referencenumber ISO 11024-2:1998(E) HS under I without license from IHS Not for Resale ISO 11024-2:1998(E) Contents Page Scope 1 2 Normative references 1 Termsanddefinitions 1 4Principle 2 5 : Standard matching solution . 2 6 Apparatus 2 Performance of the apparatus 3 8 Preparation of test sample 4 9 Location of the representative and characteristic components.. 4 10 Checking the concentration of the representative and characteristic components ............ 5 11 Expression of results 5 12 Test report 5 @ISO1998 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case postale 56 . CH-1211 Geneve 20 · Switzerland Internet [email protected] Printed in Switzerland Copyright International Organization for Standardization vided by IHS under se from IHS Not for Resale @ ISO ISO 11024-2:1998(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through isO technicalcommittees.Eachmemberbodyinterestedinasubjectforwhich atechnicalcommitteehasbeenestablishedhastherighttoberepresented governmental, in liaison with IsO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3 Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 11024-2 was prepared by Technical Committee ISO/TC 54, Essential oils. International Standard iSO 11024 consists of the following parts, under the general title Essential oils - General guidance on chromatographic profiles: Part 1: Preparation of chromatographic profiles for presentation in standards Part 2: Utilization of chromatographic profiles of samples of essential oils ili CopyrhenationalganizationforStandardization Not for Resale