ISO INTERNATIONAL STANDARD 13276 Third edition 2020-01 Tobacco and tobacco products Determination of nicotine purity Gravimetric method using tungstosilicic acid Tabac et produits du tabac-Détermination de la purete de la nicotine - Méthode gravimétrique a I'acide tungstosilicique Reference number ISO 13276:2020(E) ISO @IS02020 IS0 13276:2020(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 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 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 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved