ISO INTERNATIONAL STANDARD 8655-4 Secondedition 2022-04 Piston-operated volumetric apparatus - Part 4: Dilutors Appareils volumetriques a piston - Partie 4: Diluteurs Reference number IS0 8655-4:2022(E) ISO ISO 2022 IS0 8655-4:2022(E) COPYRIGHTPROTECTEDDOCUMENT ISO2022 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 anyform or by anymeans, electronic or mechanical, including photocopying, orposting on theinternetoran intranet,withoutpriorwrittenpermission.Permissioncanberequestedfrom eitherIsoattheaddressbelow or ISO's member body in the country of the requester. ISO copyright office CP401 : Ch.de Blandonnet 8 CH-1214 Vernier,Geneva Phone: +4122 749 0111 Email: copyright@iso.org Website:www.iso.org Published in Switzerland ii @IS0 2022-All rights reserved