ISO INTERNATIONAL STANDARD 8298 Second edition 2000-03-15 Nuclear fuel technology Determination of milligram amounts of plutonium in nitric acid solutions Potentiometric titration with potassium dichromate after oxidation by Ce(IM) and reduction by Fe(ll) Technologie du combustible nucléaire - Détermination de quelques milligrammes de plutonium dans des solutions d'acide nitrique - Titrage potentiométrique avec le dichromate de potassium, apres oxydation par le Ce(IV) et réduction par le Fe(ll) Reference number ISO 8298:2000(E) ISO @ ISO 2000 ISO 8298:2000(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event ISO2000 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing 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 22 734 10 79 E-mail [email protected] Web www.iso.ch Printed in Switzerland ii @ISO2000-Allrights reserved ISO 8298:2000(E) Contents Foreword. IV 1 Scope 2 Normative reference 3 Principle, 4 Interference 5 Reagents. 6 Apparatus 7 Procedure 8 Standardization of the iron(ll) sulfate solution ..... 9 Expression of results ... 10 Repeatability and accuracy. 11 Test report. Bibliography @ ISO 2000 - All rights reserved ii