ISO INTERNATIONAL STANDARD 24639 First edition 2022-07 Microbeam analysis Analytical electron microscopy Calibration procedure of energy scale for elemental analysis by electron energy loss spectroscopy Analyse par microfaisceaux - Microscope électronique analytique Procedure d'étalonnage de I'echelle d'énergie pour I'analyse elementaire par spectroscopie de perte d'énergie des électrons Reference number IS0 24639:2022(E) ISO @ IS0 2022 Copyright International Organization for Standardization IS0 24639:2022(E) COPYRIGHT PROTECTED DOCUMENT @IS02022 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 Copyright l/tlenatioal Organizationfr tandardization IS02022-Allrightsreserved IS0 24639:2022(E) Contents Page Foreword. ..iv Introduction. ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions 4 Symbols and abbreviated terms. .3 5 Energy calibration and its determination methods 3 5.1 Equipment. 3 5.2 Calibration procedure for energy step and energy scale .5 5.2.1 .5 General 5.2.2 Definition of peak positions .6 5.2.3 Calibration for energy step .7 5.2.4 Calibration for energy scale. 5.2.5 Reference materials... 11 .11 6 Test report ..13 Annex A (informative) Calibration for the drift tube voltage in the magnetic prism Annex B (informative) Estimation of linearity of the energy step. ..14 Bibliography .15 iii CopyrightInternational OrgzISi222ardizAJ rights reserved