ISO/TR TECHNICAL REPORT 23463 First edition 2022-05 Nanotechnologies Characterization of carbon nanotube and carbon nanofibre aerosols to be used in inhalation toxicity tests Nanotechnologies-Caracterisation des aérosols de nanotubes de carbone et de nanofibres de carbone a utiliser dans les tests de toxicité par inhalation Reference number ISO/TR23463:2022(E) ISO @ ISO 2022 IS0/TR 23463:2022(E) COPYRIGHT PROTECTED DOCUMENT @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 any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, withoutpriorwrittenpermission.Permission can berequestedfrom eitherIso at theaddress below orIso'smemberbodyinthecountryoftherequester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2022 - All rights reserved