ISO INTERNATIONAL STANDARD 4724 Second edition 2004-06-01 Oil of cedarwood, Virginian (Juniperus virginiana L.) Huile essentielle de bois de cedre, type Virginie (Juniperus virginiana L.) Reference number ISO 4724:2004(E) SO @ ISO 2004 ISO 4724:2004(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 accepts no liability in this area. AdobeisatrademarkofAdobeSystems 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. ? ISO 2004 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 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 2 E-mail [email protected] Web www.iso.org Published in Switzerland ii @ISO2004-All rights reserved ISO 4724:2004(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 International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2 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. rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 4724 was prepared by Technical Committee ISO/TC 54, Essential oils. This second edition cancels and replaces the first edition (IsO 4724:1984), which has been technically revised. @ ISO 2004 - All rights reserved ii ...... ... ISO 4724:2004(E) INTERNATIONAL STANDARD Oil of cedarwood, Virginian (Juniperus virginiana L.) 1 Scope Terms and definitions This International Standard specifiescertain For the purposes of this document, the following characteristics of the oil of cedarwood, Virginian terms and definitions apply. (Juniperus virginiana L.), in order to facilitate assessment of its quality. 3.1 oil of cedarwood, Virginian essential oil obtained by steam distillation of 2 Normative references the wood of Juniperus virginiana L., of the Cupressaceae family, growing in the United States The following referenced documents are indispen- of America from the South Eastern part of Virginia to sable for the application of this document. For dated EasternTexas references,only the edition cited applies.For un- NOTE For information on the CAS number, see dated references,the latest edition of the referenced ISO/TR21092. document (including any amendments) applies. ISO/TR 210, Essential oils General rules for packaging, conditioning and storage 4 Requirements ISO/TR 211, Essential oils - General rules for la- 4.1 Appearance belling and marking of containers Slightly viscous liquid, sometimes containing Iso 212, Essential oils— Sampling crystals. Iso 279, Essential oils - Determination of relative 4.2 Colour density at 20 °C Reference method Almost colourless to pale yellow. Iso 280, Essential oils - Determination of refrac- tive index 4.3 Odour Iso 592, Essential oils — Determination of optical rotation Characteristic, warm and woody. Iso 875, Essential oils — Evaluation of miscibility in 4.4 Relative density at 20 °C, d20 ethanol Minimum