【英文标准名称】:Stationarysourceemissions-DeterminationofthemassconcentrationofPCDDs/PCDFs-Extractionandclean-up
【原文标准名称】:固定源排放.PCDDs/PCDFs的质量浓度测定.萃取和提纯
【标准号】:BSEN1948-2-1997
【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】:空气污染;气体分析;清洁处理;污染物气体;含量测定;燃烧产物;控制样品;试样;污染;色谱法;多氯化二苯并呋喃;萃取分析法;试样制备;工业空气污染物;固定的;空气;化学分析和试验;试验设备;定量分析
【英文主题词】:
【摘要】:ThepresentPartofthisstandardspecifiestheextractionandclean-upproceduresofthesampledPCDDs/PCDFs.Itisanintegralpartofthecompletemeasurementprocedure.TheuseoftheothertwoPartsEN1948-1:1996andEN1948-3:1996describingsamplingoridentificationandquantification,respectively,isnecessaryforthedeterminationofthePCDDs/PCDFs.ThisstandardhasbeendesignedtomeasurePCDD/PCDFconcentrationsatabout0,1ngI-TEQ/minstationarysourceemissions.ThisstandardspecifiesbothmethodvalidationandaframeworkofqualitycontrolrequirementswhichhavetobefulfilledbyanyPCDD/PCDFextractionandclean-upmethodstobeapplied.SomemethodsaredescribedindetailinannexAasexamplesofprovenprocedures.Eachofthethreesamplingmethods(Part1)canbecombinedwiththeextractionandclean-up(Part2)andtheidentificationandquantification(Part3)tocompletethemeasurementprocedure.Duringcomparisonmeasurementsonamunicipalwasteincineratoratthelevelofabout0,1ngI-TEQ/mthesethreemethodshavebeendeemedcomparablewithintheexpectedrangeofuncertainty.Validationtrialswereperformedonthefluegasofmunicipalwasteincineratorsatthelevelofabout0,1ngI-TEQ/mandadustloadingoffrom1mg/mto15mg/m.Inprincipleitisnotpossibletoevaluatetheaccuracy(truenessandprecision)ofemissionmeasurements.Followingthevalidationtrialstheinternalandexternalvariabilitieswerecalculatedfortheprocessconsideredandaregiveninclause13ofEN1948-3:1996.Thesevariabilitiesgiveanindicationofthevariabilitieswhichhavebeenobservedwhenusingthisstandardandshouldbetakenintoaccountwhenexpressingresults.TheproceduredescribedinthethreePartsofstandardEN1948:1996laysdownrequirementsinordertomeasurethe17congenersrequiredtocalculatethetotalI-TEQ(seetableA.1ofEN1948-1:1996).
【中国标准分类号】:Z60
【国际标准分类号】:13_040_40
【页数】:30P;A4
【正文语种】:英语