ISO INTERNATIONAL STANDARD 11041 First edition 1996-04-15 Workplace air Determination of particulate arsenic and arsenic compounds and arsenic trioxide vapour -- Method by hydride generation and atomic absorption spectrometry Air des lieux de travail - Dosage de I'arsenic particulaire, des composés particulaires de I'arsenic et des vapeurs de trioxyde d'arsenic -- Methode par production d'hydrures et spectrometrie dabsorption atomique Iso Reference number ISO 11041:1996(E) Copyright International Organization for Standardization license with IS nitted without license from IHS Not for Resale ISO 11041:1996(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through IsO technicai committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International a vote. International Standard ISO 11041 was prepared by Technical Committee ISO/TC146,Airquality,SubcommitteeSC2,Workplaceatmospheres. Annex A of this International Standard is for information only ISO1996 reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. InternationalOrganizationforStandardization Case Postale 56.CH-1211Geneve 20-Switzerland Printed in Switzerland ii CopyrightInternational Organization for Standadization ed without license from IHS Not for Resale ISO 11041:1996(E) INTERNATIONAL STANDARD ISO Workplace air Determination of particulate arsenic and arsenic compounds and arsenic trioxide vapour - -- Method by hydride generation and atomic absorption spectrometry WARNING - Arsenic and arsenic compounds are toxic and are recognized as human carcinogens (see reference [1] in annex A). Avoid any exposure by inhalation. Personal protection (e.g. an effective respirator) must be used in all cases where exposure to arsenic or arsenic compounds is possible. 1 Scope this International Standard. At the time of publication the editions indicated were valid. All standards are This International Standard specifies a method for the subject to revision, and parties to agreements based determination of the mass concentration of particulate on this International Standard are encouraged to in- arsenic and arsenic compounds and arsenic trioxide vestigate the possibility of applying the most recent vapourinworkplaceair,usingeithercontinuous-flow editions of the standards indicated below. Members hydridegenerationorflow-injection-analysishydride of IEC and ISO maintain registers of currently valid generation and atomic absorption spectrometry. The International Standards. method is not suitable for determination of arsenic in the form of metal arsenides which decompose in the ISO 648:1977. Laboratory glassware One-mark presence of water or acid (see 10.1). pipettes. The method is applicable to the determination of IsO 1042:1983, Laboratory glassware — One-mark masses of approximately 100 ng to 125 μg of arsenic volumetric flasks. persample,foranalysisoftestsolutionsprepared using sample solution aliquots in the recommended Iso3585:1991, Borosilicate glass 3.3-Properties range (see 9.3.2). The concentration range for arsenic in air, for which this procedure is applicable, is deter- IsO 3696:1987, Water for analytical laboratory use mined in part by the sampling procedure selected by Specification andtestmethods. the user. The method is applicab