ISO INTERNATIONAL STANDARD 13545 First edition 2000-03-01 Lead sulfide concentrates Determination of lead content EDTA titration method after acid digestion Concentrés sulfurés de plomb - Dosage du plomb - Méthode par titrage a I'EDTA apres digestion acide Reference number ISO 13545:2000(E) ISO @ ISO 2000 No r py IHS under itted without license from IHS Not for Resale ISO13545:2000(E) PDFdisclaimer 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 trademarkof 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 @ IsO 2000 - All rights reserved py IHS unde ermittedwithoutlicense from IHS Not for Resale IS0 13545:2000(E) Contents Page Foreword. iv 1 Scope 2 Normative references 3 Principle. 4 Reagents. 5 Apparatus 9 Sampling. 7 Procedure 8 Expression of results.. 9 Accuracy.. 10 Test report.. Annex A (normative) Procedure for the preparation and determination of the mass of a predried test portion... Annex B (normative) Flowchart of the procedure for the acceptance of analytical values for test samples.... 13 Annex C (informative) Derivation of precision equations.. 14 ili d by IHS under lic se from IHS Not for Resale