ISO INTERNATIONAL STANDARD 13464 First edition 1998-04-01 Simultaneous determination of uranium and plutonium in dissolver solutions from reprocessing plants Combined method using K-absorption edge and X-ray fluorescence spectrometry Dosage simultané de I'uranium et du plutonium dans les solutions de dissolution des usines de retraitement Méthode combinée de spectrometrie d'absorptiometrie K et de fluorescence X Tso Referencenumber ISO13464:1998(E) HS under I without license from IHS Not for Resale ISO 13464:1998(E) Contents 1 Scope 2 Principle.. 3 Apparatus 4 Operating procedure .5 6 Calibration . 8 7 Bias correction factors. 8 Measurement uncertainty 11 Annex A (informative) Bibliography ?ISO1998 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 the publisher. InternationalOrganizationforStandardization Case postale 56 . CH-1211 Geneve 20 · Switzerland Internet [email protected] X.400 C=ch; a=400net; p=iso; 0=isocs; S=central Printed in Switzerland Copyright International Organization for Standardization y IHS under e from IHS Not for Resale @ ISO ISO13464:1998(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO member bodies). The work of preparing International Standards is normally carried out through isO technical committees. Each member body interested in a subject for which a technical committee has been established has liaison with isO, also take part in the work. isO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Subcommittee 5, Nuclear fuel technology. Annex A of this International Standard is for information only. ili CopyrightInternationalOrganizationforStandardization Not for Resale