1、BSI Standards PublicationBS ISO 18560-1:2014Fine ceramics (advancedceramics, advanced technicalceramics) Test method forair-purification performance ofsemiconducting photocatalyticmaterials by test chambermethod under indoor lightingenvironmentPart 1: Removal of formaldehydeBS ISO 18560-1:2014 BRITI
2、SH STANDARDNational forewordThis British Standard is the UK implementation of ISO 18560-1:2014.The UK participation in its preparation was entrusted to TechnicalCommittee RPI/13, Advanced technical ceramics.A list of organizations represented on this committee can beobtained on request to its secret
3、ary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 76489 9ICS 81.060.30Compliance with a British Standard cannot con
4、fer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 November 2014.Amendments issued since publicationDate Text affectedBS ISO 18560-1:2014 ISO 2014Fine ceramics (advanced ceramics, advanced technical ceramics)
5、 Test method for air-purification performance of semiconducting photocatalytic materials by test chamber method under indoor lighting environment Part 1: Removal of formaldehydeCramiques techniques Mthode dessai pour mesurer les performances des matriaux photocatalytiques semiconducteurs pour purifi
6、er lair selon la mthode de la chambre dessai dans un environnement dclairage intrieur Partie 1: limination du formaldhydeINTERNATIONAL STANDARDISO18560-1First edition2014-11-15Reference numberISO 18560-1:2014(E)BS ISO 18560-1:2014ISO 18560-1:2014(E)ii ISO 2014 All rights reservedCOPYRIGHT PROTECTED
7、DOCUMENT ISO 2014All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission
8、 can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 18560-1:2014ISO 18560-1:2014
9、(E)Contents PageForeword iv1 Scope . 12 Normative references 13 Terms and definitions . 24 Symbols 35 Principle 46 Apparatus . 46.1 General . 46.2 Test chamber 56.3 Sealing material for test specimens 56.4 Air purifier 56.5 Supply air spiked with formaldehyde . 66.6 Temperature and humidity controls
10、 66.7 Air flow meter 66.8 Light source and UV sharp cut-off filter 66.9 Air sampling devices 66.10 Device to circulate air and control of air velocity . 66.11 Analytical instrument 77 Test conditions . 77.1 General . 77.2 Test conditions of removal performance 77.3 Factors affecting the removal perf
11、ormance (optional) 88 Verification of test conditions . 98.1 Monitoring of test conditions . 98.2 Air-tightness of test chamber . 98.3 Air change rate in test chamber . 98.4 Efficiency of the internal test chamber air mixing . 98.5 Recovery . 99 Preparation of test chamber 910 Test specimen .1010.1
12、Preparation of test specimen . 1010.2 Preparation for the test 1011 Test methods 1011.1 Background concentration and supply air spiked with formaldehyde .1011.2 Placing the test specimen in the test chamber . 1011.3 Test under dark condition 1011.4 Test for removal performance 1111.5 Factors affecti
13、ng the removal performance 1111.6 Air sampling . 1112 Determination of formaldehyde 1113 Calculation and expression of results 1114 Test report 12Annex A (informative) Example of a test chamber 14Bibliography .17 ISO 2014 All rights reserved iiiBS ISO 18560-1:2014ISO 18560-1:2014(E)ForewordISO (the
14、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 committee
15、 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 electrotechnic
16、al standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in
17、accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).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 any or all such patent rights. De
18、tails of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an
19、endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword Supplementary information .The committee re
20、sponsible for this document is ISO/TC 206, Fine ceramics.ISO 18560 consists of the following parts, under the general title Fine ceramics (advanced ceramics, advanced technical ceramics) Test method for air-purification performance of semiconducting photocatalytic materials by test chamber method un
21、der indoor lighting environment: Part 1: Removal of formaldehydeiv ISO 2014 All rights reservedBS ISO 18560-1:2014Fine ceramics (advanced ceramics, advanced technical ceramics) Test method for air-purification performance of semiconducting photocatalytic materials by test chamber method under indoor
22、 lighting environment Part 1: Removal of formaldehyde1 ScopeThis part of ISO 18560 specifies a test method for the determination of the air-purification performance of materials that contain a indoor-light-active photocatalyst or have indoor-light-active photocatalytic films on the surface, usually
23、made from semiconducting metal oxides, such as titanium dioxide or other ceramic materials, by continuous exposure of a test piece to the model air pollutant under illumination with indoor light. Formaldehyde (HCHO) is chosen because it is a typical indoor air pollutant that causes the so-called sic
24、k building syndrome. This part of ISO 18560 is intended to evaluate the photocatalytic performance for building materials, such as boards, wallpapers. This part of ISO 18560 does not apply to powder or granular photocatalytic materials.This test method is usually applicable to indoor-light-active ph
25、otocatalytic materials produced for air purification. This method is not suitable for the determination of other performance attribute of photocatalytic materials, i.e. decomposition of water contaminants, self-cleaning, antifogging and antibacterial actions. This test method is based on ISO 16000-2
26、3 and is adjusted for the measurement of indoor-light-active photocatalytic materials.NOTE Another test method for the determination of air-purification performance of photocatalytic materials by using formaldehyde is described in ISO 22197-4. The test methods comprising of ISO 22197 are prepared fo
27、r evaluation of material-based air-purification performance under irradiation of ultraviolet light, while this part of ISO 18560 is intended for providing a direct index to the improvement of indoor air quality by the indoor-light-active photocatalytic materials under the simulated conditions. Appro
28、ximate correlation between the results by ISO 22197-4 and this part of ISO 18560 has been confirmed.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited
29、applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 6353-3, Reagents for chemical analysis Part 3: Specifications Second seriesISO 14605, Fine ceramics (advanced ceramics, advanced technical ceramics) Light source for testing semicond
30、ucting photocatalytic materials used under indoor lighting environmentISO 16000-3, Indoor air Part 3: Determination of formaldehyde and other carbonyl compounds Active sampling methodISO 16000-6, Indoor air Part 6: Determination of volatile organic compounds in indoor and test chamber air by active
31、sampling on Tenax TAsorbent, thermal desorption and gas chromatography using MS/FIDISO 16000-9, Indoor air Part 9: Determination of the emission of volatile organic compounds from building products and furnishing Emission test chamber methodINTERNATIONAL STANDARD ISO 18560-1:2014(E) ISO 2014 All rig
32、hts reserved 1BS ISO 18560-1:2014ISO 18560-1:2014(E)ISO 16000-11, Indoor air Part 11: Determination of the emission of volatile organic compounds from building products and furnishing Sampling, storage of samples and preparation of test specimens3 Terms and definitionsFor the purposes of this docume
33、nt, the following terms and definitions apply.3.1photocatalystsubstance that performs one or more catalytic functions based on oxidation or reduction reactions under photoirradiationNote 1 to entry: The functions include decomposition and removal of air and water contaminants, deodorization, antibac
34、terial, self-cleaning and antifogging actions. A photocatalyst can also be used for light energy conversion.3.2indoor-light-active photocatalystphotocatalyst (3.1) that functions under illumination with artificial light used for general lighting purposes3.3indoor lighting environmentillumination wit
35、h artificial light source(s) used for general lighting purposes and excluding sunlight3.4indoor-light-active photocatalytic materialsmaterials in which or on which the indoor-light-active photocatalyst (3.2) is added by coating, impregnation, mixing, etc.3.5photocatalytic materialsmaterials in which
36、 or on which the photocatalyst (3.1) is added by coating, impregnation, mixing, etc.3.6zero-calibration gaspurified air that does not contain pollutants which affect the test and gas analysisNote 1 to entry: The zero-calibration gas is supplied as a synthetic air in a gas cylinder. It can also be pr
37、epared from indoor air using a laboratory air purification system.3.7supply air spiked with formaldehydemixture of high purity air and formaldehyde of known concentration prepared from a standard gas or a zero-calibration gas (3.6), to be used for the performance test of a photocatalytic material (3
38、.5)3.8air change rateratio of the volume of supply air admitted to the test chamber per hour and the free test chamber volume measured in identical units3.9air flow rateair volume admitted to the test chamber per unit time3.10product loading factorratio of exposed surface area of the test specimen a
39、nd the free test chamber volume3.11dark conditiontest condition of no light illumination by the light source for testing and room lightings2 ISO 2014 All rights reservedBS ISO 18560-1:2014ISO 18560-1:2014(E)3.12equivalent ventilation rate per areaclean air ventilation rate that would be required to
40、reduce the formaldehyde concentration by the same amount as produced per unit area of the photocatalytic material (3.5) when exposed to indoor light3.13guideline concentrationguideline indoor air concentration for formaldehyde as specified by the World Health Organization (WHO)Note 1 to entry: The g
41、uideline indoor air concentration for formaldehyde specified by the WHO is 100 g/m3. Reference to national standards is possible if this is clearly highlighted in the test report and test certificate.3.14mass transfer coefficientdiffusion rate constant of the formaldehyde flux driven by the concentr
42、ation difference between the test specimen and ambient air over its surfaceNote 1 to entry: Mass transfer coefficient is expressed in meters per hour.3.15recoverymeasured mass of formaldehyde in the air leaving the test chamber with no sample present conditioned over a given time period divided by t
43、he mass of formaldehyde added to the test chamber in the same time periodNote 1 to entry: The recovery is expressed as a percentage and provides information about the performance of the entire method.3.16sampling timeperiod of time during which air is sampled from the outlet of the test chamber usin
44、g sampling tubes or other devices3.17supply air concentrationmass concentration of formaldehyde in air for supply to the test chamber3.18irradiation starttime of starting irradiation of indoor light to the specimen3.19elapsed timetime from irradiation start (3.18) to the start of air sampling3.20tes
45、t chamber concentrationconcentration of formaldehyde measured at the outlet of a test chamber, derived by dividing the mass of the formaldehyde sampled at the outlet of the chamber by the volume of sampled air4 Symbolsin, tconcentration of formaldehyde at test chamber inlet at elapsed time t (microg
46、rams per cubic metre)out, ttest chamber concentration at elapsed time t (micrograms per cubic metre)glguideline concentration (micrograms per cubic metre)kamass transfer coefficient determined using water vapour (metres per hour) ISO 2014 All rights reserved 3BS ISO 18560-1:2014ISO 18560-1:2014(E)L
47、product loading factor (square metres per cubic metre)n air change rate (changes per hour)qaarea specific air flow rate (cubic metres per square metre per hour)qcair flow rate of test chamber (cubic metres per hour)qeqequivalent ventilation rate (cubic metres per square metre per hour)r removal rate
48、 (micrograms per square metre per hour)rglremoval rate when test chamber concentration is equal to guideline concentration (micro-grams per square metre per hour)teelapsed time (hours or days)V air volume of test chamber (cubic metres)A surface area of the test specimen exposed to illumination (squa
49、re metres)5 PrincipleThe test piece, placed in a test chamber, is activated by indoor light illumination, and adsorbs and oxidizes gas-phase formaldehyde to form carbon dioxide (CO2) and other oxidation products. The air purification performance is determined by monitoring the reduction in formaldehyde concentration of the air leaving the test chamber.The method uses a supply air spiked with formaldehyde at approximately the same concentration as the WHO guideline level for formaldehyde in indoor air (100 g/m3),
