ISO INTERNATIONAL STANDARD 17495 First edition 2001-08-15 Water quality Determination of selected nitrophenols Method by solid-phase extraction and gas chromatography with mass spectrometric detection Qualité de I'eau Dosage des nitrophénols sélectionnés - Méthode par gazeuse et spectrométrie de masse Reference number E ISO 17495:2001(E) ISO @ ISO 2001 No r THS under ted without license from IHS Not for Resale ISO17495:2001(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 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 trademarkof 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 @ISO2001 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 E-mail copyright@iso.ch Web www.iso.ch Printed in Switzerland @ISO2001-All rightsreserved py IHS unde ermittedwithoutlicense from IHS Not for Resale ISO 17495:2001(E) Contents Page Foreword IV Introduction 1 Scope 2 Normativereferences 3 Principle 4 Interference 5 Reagents 6 Apparatus 7 Sampling 8 Procedure 6 Calibration 10 Calculation.. 2 11 Expression of results.. 14 12 Test report .... Annex A (informative) Examples of suitable capillary columns.. Annex B (informative) Examples of sorbents suitable for solid-phase extraction of nitrophenols ... Annex C (informative)Precisiondata.. Annex D (informative) Example of typical spectra. Bibliography. 9 ili by IHS under se from IHS Not for Resale