ISO-16362-2005.pdf
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1、 Reference number ISO 16362:2005(E) ISO 2005 INTERNATIONAL STANDARD ISO 16362 First edition 2005-02-15 Ambient air Determination of particle- phase polycyclic aromatic hydrocarbons by high performance liquid chromatography Air ambiant Dtermination des particules dhydrocarbures aromatiques polycycliq
2、ues par chromatographie liquide haute performance Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/12/2007 20:53:20 MDTNo reproduction or networking permitted without license from IHS -,-
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6、s given below. ISO 2005 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 either ISO at the address below or ISOs m
7、ember body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2005 All rights reserved Copyright International Organization for Standardization Pr
8、ovided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/12/2007 20:53:20 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 16362:2005(E) ISO 2005 All rights reserved iii Contents Page Forewordiv Introduction v 1 Scope1 2 Term
9、s and definitions.1 3 Symbols and abbreviated terms2 3.1 Symbols .2 3.2 Abbreviated terms.2 4 Principle of the procedure2 5 Reagents, apparatus and materials 2 6 Measurement procedure 5 6.1 Sampling5 6.2 Sample preparation.5 6.3 HPLC analysis .6 7 Establishment of the calibration function and verifi
10、cation of the measurement values.6 7.1 Identification6 7.2 Instrument calibration 7 7.3 Determination of response factors and quantification .7 7.4 Determination of the extraction efficiency.9 8 Calculation of the result.9 9 Performance characteristics9 9.1 Standard deviations of the overall measure
11、ment procedure.9 9.2 Detection limits .9 10 Interferences11 11 Quality assurance .11 12 Test report12 Annex A (informative) General information.13 Annex B (informative) Examples of operation parameters for HPLC analysis with FLD and DAD in series14 Annex C (informative) Extraction efficiencies for s
12、ome PAH compounds.17 Annex D (informative) Results of duplicate measurements.18 Annex E (informative) Comparison measurements and invariance test of the PAH profiles.20 Annex F (informative) Physical constants of PAHs21 Annex G (informative) List of HPLC columns25 Bibliography .26 Copyright Internat
13、ional Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/12/2007 20:53:20 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 16362:2005(E) iv ISO 2005 All rights reserved Foreword ISO (t
14、he 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 technical committees. Each member body interested in a subject for which a technical commit
15、tee 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 electrotech
16、nical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member
17、 bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying
18、 any or all such patent rights. ISO 16362 was prepared by Technical Committee ISO/TC 146, Air quality, Subcommittee SC 3, Ambient atmospheres. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale
19、, 04/12/2007 20:53:20 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 16362:2005(E) ISO 2005 All rights reserved v Introduction Several polycyclic aromatic hydrocarbons (PAHs) are considered to be potential human carcinogens. PAHs are emitted into the atmosphere primari
20、ly through combustion of fossil fuel and wood. Two- and three-ring PAHs are typically present in urban air at concentrations ranging from ten to several hundred nanograms per cubic metre (ng/m3); those with four or more rings are usually found at concentrations of a few nanograms per cubic metre or
21、lower. PAHs possess saturation vapour pressures at 25 C that range from 102 kPa to less than 1013 kPa. Those with vapour pressures above 108 kPa may be substantially distributed between the gas phase and particle-associated (particulate) phase in the atmosphere. The distribution between phases depen
22、ds on ambient temperature, humidity, types and concentrations of PAHs and particulate matter, and residence time in the air. PAHs, especially those having vapour pressures above 108 kPa, tend to vaporize from particle filters during sampling. This International Standard allows the determination of l
23、ow volatility, particle-bound PAHs, in contrast to ISO 128841 which allows the measurement of PAHs in the gas phase. This International Standard allows the use of a range of sampler flowrates, and requires the use of high performance liquid chromatography (HPLC) with the detection carried out by eit
24、her fluorescence detection or UV absorption. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/12/2007 20:53:20 MDTNo reproduction or networking permitted without license from IHS -,-,- Co
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