ISO INTERNATIONAL STANDARD 23256 First edition 2023-06 Water quality Detection of selected congeners of polychlorinated dibenzo p-dioxins and polychlorinated biphenyls - Method using a flow immunosensor technique Qualité de I'eau - Détection d'une selection de congéneres de dibenzo-p-dioxines polychlorées et de biphenyles polychloreés - Methode utilisant la technique d'immunodétection en flux Reference number IS0 23256:2023(E) Tso IS02023 IS0 23256:2023(E) COPYRIGHTPROTECTED DOCUMENT @IS02023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 or ISoO's member body in the country of the requester. ISO copyright office CP 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email:[email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2023- All rights reserved