International ISO Standard ISO8454 Cigarettes Determination of Fourth edition carbon monoxide in the vapour phase 2024-04 of cigarette smoke NDIR method Cigarettes - Dosage du monoxyde de carbone dans la phase gazeuse de la fumée de cigarette - Méthode IRND Reference number IS0 8454:2024(en) @ ISO 2024 IS0 8454:2024(en) COPYRIGHT PROTECTED DOCUMENT @IS02024 Ali rights reserved. Uniess otherwise specified, or required in the context of its impiementation, 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, without prior written permission. Permission can be requested from either ISO at the address below orIso's memberbody in the country oftherequester. ISso copyright office CP401·Ch.deBlandonnet8 CH-1214 Vernier, Geneva Phone:+41227490111 Email: copyright@iso.org Website: www.iso.org Published in Switzerland @ IS0 2024 - All rights reserved ii