ISO INTERNATIONAL STANDARD 5379 Secondedition 2013-09-01 Starches and derived products - Determination of sulfur dioxide content Acidimetric method and nephelometric method Amidons, fécules et produits dérivés - Détermination de la teneur en dioxyde de soufre - Dosage acidimétrique et dosage par nephelémetrie Reference number IS0 5379:2013(E) LSO IS02013 HS under Not for Resale IS0 5379:2013(E) COPYRIGHTPROTECTEDDOCUMENT ISO2013 All rights reserved. Unless otherwise specified, 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 Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 5379:2013(E) Contents Page Foreword ..iv Scope .1 2 Acidimetric method. 2.1 Reagents. 1 2.2 Apparatus 2.3 Procedure. .4 2.4 Expression of results .6 3 Nephelometric method ..6 3.1 Reagents. .6 3.2 Apparatus. .7 3.3 Procedure 1 3.4 Expression of results .8 4 Test report .8 Bibliography 9 iii d by IHS under lic se with ISt ted withoutlicensefromIHS Not for Resale