BS IS0 23919:2020 BSl Standards Publication Cigarettes Determination of ammonia in cigarette mainstream smoke using ion chromatography bsi. BSISO23919:2020 BRITISH STANDARD Nationalforeword This British Standard is the UK implementation of IS0 23919:2020 The UK participation in its preparation was entrusted to Technical Committee AW/40, Tobacco and tobacco products. A list of organizations represented on this committee can be obtained on requestto its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. TheBritishStandards Institution2020 Published byBSI Standards Limited 2020 ISBN 9780539045451 ICS65.160 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 on30April2020. Amendments/corrigendaissuedsincepublication Date Textaffected BSIS023919:2020 INTERNATIONAL ISO STANDARD 23919 First edition 2020-04-16 Cigarettes Determination of ammonia in cigarette mainstream smoke using ion chromatography Cigarettes-Dosage de I'ammoniacdans le courant principal dela fumee decigaretteparchromatographie paréchanged'ions Referencenumber IS0 23919:2020(E) ISO @IS02020