ISO INTERNATIONAL STANDARD 20846 Third edition 2019-08 Petroleum products Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method Produits pétroliers-Détermination de la teneur en soufre des carburants pour automobiles - Méthode par fluorescence ultraviolette Reference number IS0 20846:2019(E) @ IS0 2019 IS0 20846:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 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 on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address 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 01 11 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved