AMA仪器介绍

VOCMonitoring挥发性有机化合物的监测技术赛默飞世尔科技（中国）有限公司环境及过程仪器事业部空气质量仪器2015.112Introduction介绍3AMAInstruments4AMAInstruments–CertificationsAMA仪器获得的认证AMAOnlineGCSystemsISO9001:2008CertificationCompletedinSeptember2011Typeapprovalacc.EN14662-3CompletedinJune2009/November2010EN15267-2Certification(QAL1)CompletedinSeptember20115AMAInstruments–CertificationsAMA仪器获得的认证AMAOnlineGCSystemsQAL1CertificationEN14662-3:2005ThisdirectivereferstothequalityandsuitabilityoftheinstrumentforambientairqualitymonitoringEN15267:2009ThisdirectivereferstotheQualityManagementSystemofthemanufacturer6AMAInstruments–CertificationsAMA仪器获得的认证AMAOnlineGCSystemsTheofficialTÜVCertificateprovesthehighqualityleveloftheAMAGC5000seriesandourQM-Systemasainstrumentsmanufacturer7AMAInstruments---中国计量器具批准证书8AMAInstruments---德国LUBW认证9AMA仪器TUV认证测试结果10AMAOnlineGCSystems在线式气相色谱系统GC5000VOCRangeC2toC6测量C2toC6FlameIonisationDetector(FID)火焰离子检测器Dual-stagesampleenrichment双级样品富集Strippingcolumnoption反吹柱GC5000BTXRangeC4toC12测量C4toC12FlameIonisationDetector(FID)orPhotoIonisationDetector(PID)火焰离子检测器或光离子检测器Single-stagesampleenrichment单级样品富集Monitoringoforganiccompoundsinambientair监测空气中有机物12PAMStargetlistofVOC‘s–USEPA美国PAMS实际分析：55种有机物13OzonePrecursorsC2–C5臭氧前驱体GC5000VOCOzonePrecursors10ppbGC5000VOC14OzonePrecursorsC6–C12臭氧前驱体GC5000BTXOzonePrecursors10ppb15Typeofdetectors检测器AMAOnlineGCSystemsAMA在线气相色谱系统16ComparisonFIDversusPIDFID–FlameIonizationDetectorAdvantages:universaltypeofdetectorforanykindoforganiccompounds通用检测器extremelyreliable非常可靠lineardetectorresponse线性响应easytocalibrate–onlyoneconcentrationlevelrequired只需单点校准excellentlongtermstability极好的稳定性maintenanceatlowcost低维护Disadvantages:requireshydrogenandcombustionairtooperatethedetector需要H2和助燃气PID–PhotoIonizationDetectorAdvantages:nohydrogenandcombustionairrequiredfordetectoroperation无需H2和助燃气verysensitive灵敏度高driftconsiderablylowercomparedtocommonPID’s比普通PID漂移小lampreplacementatreasonableprice价格低Disadvantages:cannotdetectanykindoforganiccompounds有些物质不能检测non-lineardetectorresponse非线性moreworktocalibrate校准频率较高Typeofdetectors检测器17FlameIonizationDetector(FID)火焰离子检测器DetectorDesign检测器原理结构18FlameIonizationDetector(FID)火焰离子检测器DetectorResponse检测器响应Concentration浓度detectorresponse响应Note:TheFIDprovidesalineardetectorsignal19FlameIonizationDetector(FID)火焰离子检测器Advantages优点TheFIDhasproventobeextremelyreliableoverdecadesofuseingaschromatography被几十年可靠地应用Lineardetectorresponse检测器响应线性Easytocalibrate–requiresonly1calibrationlevel校准方便—单点Nosignificantdriftevenoverlongperiodsoftime漂移极小TheFIDisauniversaldetectorandcandetectanyorganiccompound是通用检测器可用于任何有机物Disadvantages缺点Requireshydrogeneandcombustionair需要氢气和助燃气体LesssensitivecomparedtoaPID灵敏度比PID低20PhotoIonizationDetector(PID)光离子检测器DetectorDesign检测器原理结构ionizationchambersamplegasinletsamplegasoutletRFemitterRFexcitedUVlampsignalelectrodegroundelectrodeacceleratingelectrodevitongasketinsulationUVwindowUVradiationMM++e-21PhotoIonizationDetector(PID)火焰离子检测器DetectorResponse检测器响应detectorresponse响应Note:ThedetectorresponseofaPIDisnotlinearConcentration浓度22PhotoIonizationDetector(PID)光离子检测器Advantages优点Verysensitiveforthosecomponents,whichcanbedetected对可检测的物质很灵敏Doesnotrequireanyadditionalgases,suchashydrogenorcombustionair不需要辅助气体，如：氢气或助燃气体Disadvantages缺点Nolineardetectorresponse响应非线性Moreworktocalibrate–werecommendatminimum4-5calibrationlevels需要至少4-5个校准点Cannotdetectallorganiccomponents不能检测所有有机物Detectorsignalshowsasignificantdriftofupto10%permonthduetoagingofUVlamp受紫外灯寿命影响每月有超过10%的漂移23AMAInstruments---检测器RFexcitedUVlampAdvantages:nodriftcausedby„internalcontamination“nodriftcausedby„lesselectrons“noelectricalcontactsonly1/3ofthecostofacommontypeofUVlampDisadvantages:complexHFelectronicsCommontypeofUVlampAdvantages:simpleelectronicsDisadvantages:driftcausedby„internalcontamination“driftcausedbydecreasingemissionofelectronsfromthecathodesurfacemetal-to-glasinterfacefailuresratherexpensive24November15OnlineGCSysteme24Sampleenrichmenttechnology样品富集技术AMAOnlineGCSystemsAMA在线气相色谱系统25Samplingandsampleenrichment采样和样品富集AMAOnlineGCSystemsWhatisimportantforsamplingandsampleenrichment?在采样和样品富集时什么是重要的？Tomeasuresamplingvolumeprecisely精确测量样品体积Fluctuationsinambientpressureandtemperature温度气压的变化Toavoidcontaminationandmemoryeffects避免污染和记忆效应Installations(valves,orifices,pistons,dryers,sensors,…)upstreamoftheenrichmentstage有关部件设置在富集器的上游Toavoidblockageofsamplingflowpath避免样品气路的堵塞Cloggingcausedbyparticles(e.g.orifice,…withinflowpath)颗粒物造成的堵塞Freezingofenrichmentstage(causedbyhighhumidityandlowtemperatureduringsampleenrichment)富集器的冰冻Tomakesurethatcapacityoftheenrichmentstagewillbesufficient确定富集器有足够的容量26Single-stagesampleenrichment单级样品富集OptionsforAMAOnlineGCsystemsSinglestageenrichmentmodule单级富集模块Providesmonitoringoforganiccompoundsintheppt-range可检测ppt级的有机物AllowsforenrichmentofcomponentsfromC4toC12可富集C4toC12的有机物Enrichmentstagefilledwithsuitableadsorbentmaterialsforsamplepre-concentration富集管内填充合适的吸附材料用来预浓缩样品Sampleintroductionbymeansofthermaldesorptiontechnique进样采用热解析技术Canalsobeappliedforsampl