ISO INTERNATIONAL STANDARD 11369 First edition 1997-08-01 Water quality -- Determination of selected plant treatment agents -- Method using high performance liquid chromatography with UV detection after solid-liquid extraction Qualite de I'eau -- Dosage de certains agents de traitement des plantes - Methode par chromatographie en phase liquide a haute performance (CLHP) avec detection UV apres extraction solide liquide This material is reproduced from Iso documents under International Organization for Standardization (Iso) Copyright License number IHSicC/1996. Not for resale. No part of these ISo documents may be reproduced in any form, electronic retrieval system or otherwise, except as allowed in the copyright law of the country of use, or with the prior written 734 10 79), HS or the iSO Licensor's members. ISO Reference number ISO 11369:1997(E) No reproduction or networking permited withoutlicense from IHS Not for Resale ISO 11369:1997(E) Contents Page 1 Scope 1 2 interferences 2 3 Normatives references 2 4 Principle 2 5 Reagents 2 6 Apparatus 3 7 Sampling and samples 4 8 Procedure 5 9 Calibration 10 10 Evaluation 13 11 Expression of results 14 12 Test report 14 13 Precision data 14 Annex A (informative) Recovery rates 15 Annex B (informative) Resuits of interlaboratory trial 17 @ISO1997 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,withoutpermission inwrlting fromthepublisher. InternationalOrganizationforStandardization Case postale 56 :. CH-1211 Genave 20 . Switzerland Intemet: [email protected] X.400:c=ch;a=400net;p=iso;0=isocs;s=central Printed in Switzerland i No reproduction or networking permited without license from IHS Not for Resale @ISO ISO 11369:1997(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 technical committees. Each member body interested in a subject for which on that committee. International organizations, governmental and non- 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. 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 11369 was prepared by Technical Committee ISO/TC 147, Water quality, Subcommittee SC 2, Physical, chemical and biochemical methods. Annexes A and B of this International Standard are for information only. ili Not for Resale