ISO INTERNATIONAL STANDARD 9022-20 Secondedition 2015-03-01 Optics and photonics Environmental test methods - Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide Optique et photonique - Methodes d'essais d'environnement - Partie20:Atmospherehumidecontenantdudioxydedesoufreoude I'hydrogene sulfure Referencenumber ISO9022-20:2015(E) @IS02015 Copyright Inter ational Organization for Standardizatiot IS09022-20:2015(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2015 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in anyform written permission. Permission can be requested from eitherISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel.+4122 749 0111 Fax+41227490947 E-mail copyright@iso.org Web www.iso.org Published in Switzerland hational Organization for Standardization IS02015-Allrightsreserved Licensee=University of Alberta/5966844001, User=asdasd, allk No reproductie ion or networking permitedwithout license from IHS IS0 9022-20:2015(E) Contents Page Foreword ..iv Introduction. ..i. 1 Scope.. ..1 2 Normativereferences ..1 3 Generalrequirements ..1 4 Conditioning. .1 4.1 Conditioning method 41:Humid atmosphere containing sulfurdioxide (SO2) .2 4.2 Conditioningmethod 42: Humid atmosphere containing hydrogen sulfide (H2S) .2 5 Procedure. .2 5.1 General .2 5.2 Preconditioning .2 6 Environmentaltestcode .2 7 Specification .3 AnnexA(informative)Explanatorynotes .4 Bibliography 6 ili erlicense with ISd 44001,User=asdasd,allkk without license from IHS