【英文标准名称】:Stationarysourceemissions-DeterminationofthemassconcentrationofPCDDs/PCDFs-Sampling
【原文标准名称】:固定源排放.PCDDs/PCDFs的质量浓度测定.采样
【标准号】:BSEN1948-1-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-10-15
【实施或试行日期】:1997-10-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定量分析;试验设备;空气;固定的;工业空气污染物;多氯化二苯并呋喃;毒性;污染;试样;报告;燃烧产物;化学分析和试验;含量测定;采样设备;污染物气体;有毒物质;空气污染;气体分析
【英文主题词】:
【摘要】:ThispartoftheStandardspecifiesthesamplingofPCDDs/PCDFs.Itisanintegralpartofthecompletemeasurementprocedure.TheuseoftheothertwopartsEN1948-2:1996andEN1948-3:1996describingextractionandclean-upandidentificationandquantification,respectively,isnecessaryforthedeterminationofthePCDDs/PCDFs.ThisStandardhasbeendevelopedtomeasureconcentrationsatabout0,1ngI-TEQ/minstationarysourceemissions.ThisStandardspecifiesbothmethodvalidationandaframeworkofqualitycontrolrequirementswhichhavetobefulfilledbyanyPCDD/PCDFsampling.Theuserhasthepossibilitytochoosebetweenthreedifferentmethods:'Filter/CondenserMethod''DilutionMethod''CooledProbeMethod'EachsamplingmethodisillustratedbysomesamplingsystemsdescribedindetailinannexBasexamplesofprovenprocedures.Duringcomparisonmeasurementsonmunicipalwasteincineratorsatthelevelofabout0,1ngI-TEQ/m,thesethreemethodshavebeendeemedcomparablewithintheexpectedrangeofuncertainty.Validationtrialswereperformedonthefluegasofmunicipalwasteincineratorsatthelevelofabout0,1ngI-TEQ/mandadustloadingoffrom1mg/mto15mg/m.Inprincipleitisnotpossibletoevaluatetheaccuracy(truenessandprecision)ofemissionmeasurements.Followingthevalidationtrials,theinternalandexternalvariabilitieswerecalculatedfortheprocessconsideredandaregiveninclause13ofEN1948-3:1996.Thesevariabilitiesgiveanindicationofthevariabilitieswhichhavebeenobservedwhenusingthisstandardandneedtobetakenintoaccountwhenexpressingresults.TheproceduredescribedinthethreepartsofEN1948:1996specifiesrequirementswhichshallbemetinordertomeasurethe17congenersnecessarytocalculatethetotalI-TEQ(seetableA.1).
【中国标准分类号】:Z60
【国际标准分类号】:13_040_40
【页数】:50P;A4
【正文语种】:英语