ISO INTERNATIONAL STANDARD 13964 First edition 1998-08-01 Air quality Determination of ozone in ambient air Ultraviolet photometric method Qualite de I'air - Dosage de I'ozone dans I'air ambiant - Méthode photométrique dans I'ultraviolet ISO Reference number ISO 13964:1998(E) by IHS under lic itted without license from IHS Not for Resale ISO 13964:1998(E) Contents Page 1 Scope. 1 2 Interferences 1 3 Principle... 2 4 Reagents and materials.. 3 5 Apparatus. 3 6 Procedure. 6 Expression of results 8 8 Test report. 9 Annex A (informative) Some reported chemical interferents for UV photometric ozone analysers 10 Annex B (informative) Correction for ambient nitric oxide ... 11 Annex C (informative) Typical performance specifications for a Uv photometric ozone analyser .... 12 Bibliography. 13 @ISO1998 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case postale 56 . CH-1211 Geneve 20 · Switzerland Internet [email protected] Printed in Switzerland Copyright International Organization for Standardization vided by IHS under se from IHS Not for Resale ISO 13964:1998(E) @ ISO Foreword IsO (the International Organization for Standardization) is a worldwide federationofnationalstandardsbodies(lSOmemberbodies).Theworkof preparing International Standards is normally carried out through isO technical 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. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. sare circulated to the member bodies for voting. Publication as an International a vote. International Standard ISO 13964 was prepared by Technical Committee ISO/TC 146, Air quality, Subcommittee SC 3, Ambient atmospheres Annexes A, B and C of this International Standard are for information only. CopyrightInternational Organizatin for Standardization ii licensefrom IHs Not for Resale