ISO INTERNATIONAL STANDARD 23702-1 IULTCS IUC 39-1 Second edition 2023-06 Leather Per- and polyfluoroalkyl substances - Part 1: Determination of non-volatile compounds by extraction method using liquid chromatography Cuir - Substances perfluoroalkylées et polyfluoroalkylées - Partie 1: Determination des composes non volatils par une méthode d'extraction utilisant la chromatographie en phase liquide Reference numbers ISO 23702-1:2023(E) IULTCS/IUC 39-1:2023(E) IS02023 IS0 23702-1:2023(E) IULTCS/IUC 39-1:2023(E) COPYRIGHTPROTECTEDDOCUMENT @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