BS IS0 21400:2018 BSl Standards Publication Imperial College London,Version corre Pulp Determination of cellulose nanocrystal sulfur and sulfate half-ester content bsi. BS ISO 21400:2018 BRITISH STANDARD National foreword This British Standard is the UK implementation of IS0 21400:2018 The UK participation in its preparation was entrusted to Technical Committee PAl/11, Methods of test for paper, board and pulps. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @ The British Standards Institution 2019 Published by BSI Standards Limited 2019 ISBN 978 0 580 94399 7 ICS 85.040 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2019. Amendments/corrigenda issued since publication Date Text affected BS ISO 21400:2018 INTERNATIONAL ISO STANDARD 21400 First edition 2018-12-17 Pulp Determination of cellulose nanocrystal sulfur and sulfate half- ester content Pate - Deétermination de la teneur en soufre et en demi-ester de sulfate des nanocristaux de cellulose Licensed copy: Imperial College , I Reference number IS0 21400:2018(E) OSI @IS02018