ISO INTERNATIONAL STANDARD 10111 Second edition 2019-01 Metallic and other inorganic coatings Measurement of mass per unit area Review of gravimetric and chemical analysis methods Revetements metalliques etautres revetements inorganiques Mesurage de lamasse surfacique-Présentation des méthodes d'analysegravimétriqueetchimique Referencenumber IS010111:2019(E) ISO @IS02019 IS0 10111:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2019 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 orIso's memberbody in the countryof therequester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Fax:+41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019- All rights reserved IS0 10111:2019(E) Contents Page Foreword ..iv 1 Scope ..1 2 Normative references 3 Terms and definitions 4 Principle ..2 5 Special equipment ..2 6 Preparation of test specimen .2 6.1 Size... .2 6.2 Shape. .2 6.3 Edge condition .2 6.4 Heat treatment .2 7 Measurement of coated area .3 7.1 Measurement method .3 7.2 Surface measuring equipment. .3 7.2.1 Geometrical (projected)surfacearea. 3 7.2.2 Surface area increase due to roughness (optional) .3 7.3 Number of measurements .3 8 Determination of mass of coating by chemical analysis .4 8.1 General .4 8.2 Restrictions 4 9 Gravimetric determination of mass of coating .4 9.1 Specimen size. .4 9.2 Limitations. 4 9.3 Restrictions .4 9.4 Gravimetric analysis equipment 4 9.5 Procedure .5 9.5.1 General .5 9.5.2 Differencemethod with dissolution of the coating .5 9.5.3 Direct weighing method with dissolution of the substrate .5 9.5.4 Differencemethod withoutdissolution. .5 10 Calculations. .6 10.1 Surface density 10.2 Thickness. .6 Annex A (informative)Reagents for selective dissolution of metal layers .7 Bibliography .11 @ IS0 2019 -All rights reserved iii