ISO INTERNATIONAL STANDARD 22863-5 First edition 2021-03-18 Fireworks Test methods for determination of specific chemical substances : Part 5: Analysis of lead and lead compounds by inductively coupled plasma spectrometry (ICP) Artifices dedivertissement-Méthodes d'essai pour la détermination de substances chimiques specifiques- Partie 5: Analyse du plomb et deses composés par spectrométrie d plasma a couplage inductif (ICP) Reference number IS0 22863-5:2021(E) ISO @ ISO 2021 IS0 2021,Published in Switzerland 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 Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org ii @ IS0 2021 - All rights reserved Contents Page Foreword ..iv 1 Scope ..1 2 Normativereferences 3 Terms and definitions 4 Principleofthemethod. 5 Equipment. ..2 5.6 Common laboratory wares which are clean for the purpose. .2 6 Standards and reagents. .2 6.2 Nitric acid, HNO3 (50 %) AR Grade .2 7 Calibration ..3 8 Procedure 9 Accuracy and precision .4 10 Testreport 4 @ IS0 2021 -All rights reserved ili