BS IS0 647:2017 BSl Standards Publication Brown coals and lignites Determination of the yields of tar, water, gas and coke residue by low temperature distillation bsi. BS ISO 647:2017 BRITISH STANDARD National foreword This British Standard is the UK implementation of IS0 647:2017 The UK participation in its preparation was entrusted to Technical Committee PTI/16, Solid mineral fuels. 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 2017 Published by BSI Standards Limited 2017 ISBN 978 0 580 93624 1 ICS 73.040 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 July 2017. Amendments/corrigenda issued since publication Date Text affected BS ISO 647:2017 INTERNATIONAL ISO STANDARD 647 Second edition 2017-07 Brown coals and lignites Determination of the yields of tar, water, gas and coke residue by low temperature distillation Charbons bruns et lignites Détermination des rendements en goudron, en eau, en gaz et en résidu de coke par distillation a basse temperature Reference number ISO 647:2017(E) osi @IS02017