ISO INTERNATIONAL STANDARD 15913 First edition 2000-04-01 Water quality Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatization Qualité de I'eau Dosage de certains herbicides phénoxyalcanoiques, y compris bentazones et hydroxybenzonitriles, par chromatographie en phase gazeuse et spectrométrie de masse apres extraction en phase solide et dérivatisation Reference number ISO 15913:2000(E) ISO @ ISO 2000 ISO 15913:2000(E) PDF disclaimer 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 downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The Iso Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems 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 parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event I GmbH-KdNr.7485901-LfNr.4691629001-2009-11-24 15:46 ? ISO2000 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 22 734 10 79 E-mail [email protected] Web www.iso.ch Printed in Switzerland ii @ISO2000-All rights reserved ISO 15913:2000(E) Contents Page Foreword. .iv 1 Scope, 1 2 Normativereferences. 3 Term, definition, abbreviations and subscripts. 4 Principle... 5 Interference: 6 Reagents. 3 7 Apparatus. 8 Sampling. 6 Procedure. 10 Calculation.. 14 11 Precision. ..15 12 Test report. ..15 Annex A (informative) Results of an interlaboratory trial ... ..16 Annex B (informative) Further substances which may be analysed by this procedure.. .17 .18 Annex D (informative) Mass spectra for some phenoxyalkanoic herbicides.. .19 @IsO2000-All rightsreserved ii ISO 15913:2000(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO liaison with isO, also take part in the work. isO collaborates closely with the International Electrotechnical Commission(lEC)onallmattersofelectrotechnicalstandardization Draft International Standards adopted by the technical committees are circulated to the member bodies for voting Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. International Standard ISO 15913 was prepared by Technical Committee ISO/TC 147, Water quality, Subcommittee SC 2, Physical, chemical and biochemical methods. Annexes A, B, C and D of this International Standard are for information only GmbH-KdNr.7485901-LfNr.4691629001-2009-11-2415:46 Normen-Download-Beuth-Pruifinstitut Hansecontrol ISO2000-All rightsreserved INTERNATIONAL STANDARD ISO 15913:2000(E) Water quality Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatization WARNING -Diazomethane is explosive, extremely toxic and severely irritating, causing pulmonary resulting in asthma-like symptoms. Also, diazomethane and several of its chemical precursors have been cited as carcinogens. 1 Scope This International Standard specifies a method for