ISO INTERNATIONAL STANDARD 9841 Third edition 2013-10-15 Essential oil of hyssop (Hyssopus officinalis L. ssp. officinalis) Huile essentielle d'hysope (Hyssopus officinalis L. ssp. officinalis) Reference number IS0 9841:2013(E) ISO @IS02013 IS0 9841:2013(E) 2 ? COPYRIGHTPROTECTEDDOCUMENT @IS02013 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 writtenpermission.Permission canberequestedfromeitherIsoattheaddressbelow orIso'smemberbody in thecountryof the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax +4122 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland ii @Iso2013-Allrightsreserved IS0 9841:2013(E) Contents Page Foreword .iv 1 Scope 1 2 Normative references 3 Terms and definitions .1 4 Requirements 1 4.1 Appearance 1 4.2 Colour. 4.3 Odour 1 4.4 Relative density at 20 °c, d20 .2 4.5 Refractive index at 20 °C 2 4.6 Optical rotation at 20 °C 2 4.7 Acid value. 2 4.8 Typical chromatogram 2 4.9 Flashpoint.. 2 5 Sampling. .3 6 Test methods. .3 6.1 .3 6.2 Refractive index at 20 °C .3 6.3 Optical rotation at 20 °C. 6.4 Acid value... 3 6.5 Chromatographic profile 3 7 Packaging, labelling, and marking .3 Annex A (informative) Typical chromatograms of the analysis by gas chromatography of the essential oil of hyssop (Hyssopus officinalis L. ssp officinalis) .4 Annex B (informative) Flashpoint. .7 Bibliography .8 IS02013-Allrightsreserved iii