ISO INTERNATIONAL STANDARD 23821 First edition 2022-08 Cosmetics - Analytical methods - Determination of traces of mercury in cosmetics by atomic absorbtion spectrometry (AAS) cold vapour technology after pressure digestion CosmetiquesMethodesd'analyse-Dosagedestracesdemercure atomique (SAA)devapeurfroideapres digestion souspression Referencenumber IS023821:2022(E) ISO @ ISO 2022 IS023821:2022(E) COPYRIGHTPROTECTEDDOCUMENT IS02022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced orutilized otherwise in anyform or by any means,electronic ormechanical, 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'smemberbodyinthecountryoftherequester. ISO copyright office CP 401:Ch.de Blandonnet 8 CH-1214 Vernier,Geneva Phone: +4122 749 0111 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii IS02022-Allrightsreserved