ISO INTERNATIONAL 5189 STANDARD First edition 2023-09 Fine ceramics (advanced ceramics) advanced technical ceramics) - Methods for chemical analysis of metal impurities in silicon dioxide powders using inductively coupled plasma-optical emission spectrometry Reference number IS0 5189:2023(E) ISO @ IS0 2023 IS0 5189:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS02023 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 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 CP 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii IS02023-Allrightsreserved IS0 5189:2023(E) Contents Page Foreword. ..iv 1 Scope .1 2 Normative references .1 3 Terms and definitions. 4 Analytes and ranges .2 5 Preparation of test sample General .2 5.1 Sampling. .2 5.2 5.3 Drying.. 2 5.4 Weighing 2 Reporting analytical values 6 2 6.1 Blanktest 2 6.2 Evaluation of analytical values 2 6.3 .3 Expression ofanalytical values Decomposition of test sample .3 7 .3 7.1 Reagents 7.2 Apparatus and instruments. 3 7.3 Sample decomposition .3 7.4 Blanktest. 4 8 Determination of impurity elements .4 8.1 Reagents .4 8.2 Apparatus and instruments. .5 8.3 .5 Measurement 8.4 5 Drawing of the calibration curve Calculation. 8.5 .5 Test report 9 .6 Annex A (informative) Analytical results obtained from the interlaboratory test .7 Bibliography .10 iii IS02023-Allrightsreserved