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【英文标准名称】:StandardGuideforSmall-ScaleEnvironmentalChamberDeterminationsofOrganicEmissionsFromIndoorMaterials/Products
【原文标准名称】:室内材料/产品有机物排放的小规模环境试验室的标准指南
【标准号】:ASTMD5116-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D22.05
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:indoorairquality;indoorsources;indoormaterials;indoorproducts;smallchambertesting;environmentaltestchambers;organicemissions;emissionfactor;emissionrate;masstransfer.Surfacevelocity;Adsorption;Airvelocity;Composition
【摘要】:Objectives8212;Theuseofsmallchamberstoevaluateorganicemissionsfromindoormaterialshasseveralobjectives:Developtechniquesforscreeningofproductsfororganicemissions;Determinetheeffectofenvironmentalvariables(thatis,temperature,humidity,airexchange)onemissionrates;Rankvariousproductsandproducttypeswithrespecttotheiremissionsprofiles(forexample,emissionfactors,specificorganiccompoundsemitted);Providecompound-specificdataonvariousorganicsourcestoguidefieldstudiesandassistinevaluatingindoorairqualityinbuildings;Provideemissionsdataforthedevelopmentandverificationofmodelsusedtopredictindoorconcentrationsoforganiccompounds;andDevelopdatausefultomanufacturersandbuildersforassessingproductemissionsanddevelopingcontroloptionsorimprovedproducts.MassTransferConsiderations8212;Smallchamberevaluationofemissionsfromindoormaterialsrequiresconsiderationoftherelevantmasstransferprocesses.Threefundamentalprocessescontroltherateofemissionsoforganicvaporsfromindoormaterials;evaporativemasstransferfromthesurfaceofthematerialtotheoverlyingair,desorptionofadsorbedcompounds,anddiffusionwithinthematerial.Formoreinformation,refertoBird,Stewart,andLightfoot(1960)andBennettandMyers(1962)inX1.1.Theevaporativemasstransferofagivenorganiccompoundfromthesurfaceofthematerialtotheoverlyingaircanbeexpressedas:1.1Thisguideprovidesguidanceondeterminationofemissionsoforganiccompoundsfromindoormaterialsandproductsusingsmall-scaleenvironmentaltestchambers.1.2Thisguidepertainstochambersthatfullyencloseamaterialspecimentobetestedanddoesnotaddressotheremissionchamberdesignssuchasemissioncells(seeinsteadPracticeD7143).1.3AsanASTMstandard,thisguidedescribesoptions,butdoesnotrecommendspecificcoursesofaction.Thisguideisnotastandardtestmethodandmustnotbeconstruedassuch.1.4Theuseofsmallenvironmentaltestchamberstocharacterizetheorganicemissionsofindoormaterialsandproductsisstillevolving.Modificationsandvariationsinequipment,testingprocedures,anddataanalysisaremadeastheworkintheareaprogresses.Forseveralindoormaterials,moredetailedASTMstandardsforemissionstestinghavenowbeendeveloped.WheremoredetailedASTMstandardpracticesormethodsexist,theysupersedethisguideandshouldbeusedinitsplace.Untiltheinterestedpartiesagreeuponstandardtestingprotocols,differencesinapproachwilloccur.Thisguidewillcontinuetoprovideassistancebydescribingequipmentandtechniquessuitablefordeterminingorganicemissionsfromindoormaterials.Specificexamplesareprovidedtoillustrateexistingapproaches;theseexamplesarenotintendedtoinhibitalternativeapproachesortechniquesthatwillproduceequivalentorsuperiorresults.1.5Smallchambershaveobviouslimitations.Normally,onlysamplesoflargermaterials(forexample,carpet)aretested.Smallchambersarenotapplicablefortestingcompleteassemblages(forexample,furniture).Smallchambersarealsoinappropriatefortestingcombustiondevices(forexample,keroseneheaters)oractivities(forexample,useofaerosolsprayproducts).Forsomeproducts,smallchambertestingmayprovideonlyaportionoftheemissionprofileofinterest.Forexample,therateofemissionsfromtheapplicationofhighsolventmaterials(forexample,paintsandwaxes)viabrushing,spraying,rolling,etc.aregenerallyhigher......
【中国标准分类号】:C51
【国际标准分类号】:13_040_01
【页数】:16P.;A4
【正文语种】:英语