International ISO Standard ISO 2620 Analysis of natural gas - First edition 2024-03 Biomethane Determination of voCs by thermal desorption gas chromatography with flame ionization and/or mass spectrometry detectors Analyse du gaz naturel - Biométhane - Détermination des CoV par chromatographie en phase gazeuse a désorption thermique avec détecteurs a ionisation de flamme et/ou spectrométrie de masse Referencenumber ISO 2620:2024(en) @ ISO 2024 IS0 2620:2024(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 of the requester. ISO copyright office CP401·Ch.deBlandonnet8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland @ IS0 2024 - All rights reserved ii