ISO INTERNATIONAL STANDARD 18857-2 First edition 2009-09-15 Water quality Determination of selected alkylphenols - Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples following solid-phase extraction and derivatisation Qualité de I'eau- Dosage d'alkylphénols sélectionnés - Partie 2: Dosage par chromatographie en phase gazeuse-spectrometrie de masse d'alkylphénols, de leurs éthoxylates et de bisphenol A dans des échantillons non filtres apres extraction en phase solide et dérivation Reference number ISO 18857-2:2009(E) @ ISO 2009 ISO 18857-2:2009(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 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 that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT ISO2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 [email protected] Web www.iso.org Published in Switzerland ii @ Iso 2009 - All rights reserved ISO 18857-2:2009(E) Contents Page Foreword Introduction 1 Scope 2 Normative references 3 Principle. 4 Interference 5 Reagents 6 Apparatus... 7 Sampling and sample pretreatment .. 8 Procedure..... 9 Calibration and analysis of samples, 10 Expression of results.. 11 Test report.... Annex A (informative) Example of a sorbent .... Annex B (informative) Suitable capillary columns .... Annex C (informative) Examples of chromatograms . Annex D (informative) Performance data .... Bibliography... Iso 2009-All rights reserved ii