ISO INTERNATIONAL STANDARD 22863-4 First edition 2021-03 Fireworks Test methods for determination of specific chemical substances : Part 4: Analysis of lead and lead compounds by X-ray fluorescence spectrometry (XRF) Artifices de divertissement-Methodes d'essai pour la determination de substances chimiques spécifiques- Partie 4: Analyse du plomb et de ses composés par spectrométrie de fluorescence desrayonsX (XRF) Reference number IS0 22863-4:2021(E) ISO @ ISO 2021 IS022863-4:2021(E) COPYRIGHTPROTECTEDDOCUMENT IS02021 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 below or Iso's memberbody in the country ofthe requester. ISO copyright office CP 40i : Ch.de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22.749 01 11 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2021 - All rights reserved IS0 22863-4:2021(E) Contents Page Foreword ..iv 1 Scope ..1 2 Normative references 3 Terms and definitions 4 Principle ofthe method. 5 Equipment. 6 Standards and chemicals ..2 Calibration ..2 7 8 Procedure. ..2 9 Accuracy and precision .3 10 Testreport. .3 @ IS0 2021 - All rights reserved ili