International ISO Standard ISO 6142-2 First edition Gas analysis Preparation of 2024-02 calibration gas mixtures - Part 2: Gravimetric method for Class II mixtures Analyse des gaz - Preparation des melanges de gaz pour étalonnage Partie 2: Meéthode gravimetrique pour les melanges de Classe II Referencenumber ISO 6142-2:2024(en) @ ISO 2024 IS0 6142-2:2024(en) COPYRIGHT PROTECTED DOCUMENT @IS02024 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, without prior written permission. Permission can be requested from either ISO at the address below or Iso's member body in the country ofthe 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 @IS02024-Allrightsreserved i