ISO INTERNATIONAL STANDARD 23977-2 First edition 2020-11 Plastics Determination of the aerobic biodegradation of plastic materials exposed to seawater Part 2: Method by measuring the oxygen demand in closed respirometer Plastiques - Détermination de la biodégradation aérobie des matieres plastiques exposées a I'eau de mer Partie 2: Méthode par mesure de la demande en oxygene dans un respirometre fermé Referencenumber ISO 23977-2:2020(E) ISO @ IS0 2020 IS0 23977-2:2020(E) COPYRIGHT PROTECTED DOCUMENT @ IS0 2020 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 memberbody inthe country ofthe requester. 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 2020 - All rights reserved