ISO INTERNATIONAL STANDARD 21436 First edition 2020-12 Pulps Determination of lignin content Acid hydrolysis method Pates - Deétermination de la teneur en lignine - Méthode d'hydrolyse acide Reference number ISO 21436:2020(E) osi @IS02020 IS0 21436:2020(E) COPYRIGHT PROTECTED DOCUMENT IS02020 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 below or Iso's member body in the country of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved
ISO 21436 2020 Pulps — Determination of lignin content — Acid hydrolysis method