ICP-OES / ICP-AES Principle - SPECTRO Analytical Instruments

Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) has become the leading technology for routine analysis of liquid samples as well as ... ICP-OESExplained:RevealingtheSample’sSecrets Asindicatedbyitsname,InductivelyCoupledPlasmaOpticalEmissionSpectroscopy(ICP-OESorICP-AES)isatechniquethatusesaplasmaasasourceandreliesonopticalemissionforanalysis.However,unlikemanyotherspectrometers,thesampleisnotsimplyplacedin-betweensourceanddetector.ICP-OESismainlyusedforliquidsamples,whichfirstneedtobeturnedintoanaerosol(“nebulization”)andthenareinjectedintotheplasma.Solidsamplescanbedirectlyanalyzedifameansofvaporizationisavailable,e.g.,laserablation(LA-ICP-OES)orelectrothermicvaporization(ETV).Thehightemperaturesintheplasmaaresufficienttobreakdownthesampleintoatomsandprovidetheenergyforionizationandexcitation. ForpracticalanalysiswithOES,severalessentialcomponentsmustbeprovided: -Anenergysourcetoatomizethetestsampleandexcitetheatoms -Asamplingsystemtointroducethesampleintotheplasma -Highresolutionopticstoobservetheemissionsfromtheplasmaandtoseparateandisolatethespecificemittedwavelengthsfortheelementstobemeasured -Adetectorsystemtomeasuretheintensityofthelightemissions -Electronicstoacquirethedetectorsignalsandtocontrolthefunctionsofthespectrometer -Acomputerwithsoftwareforcalculationanddisplayofemissionspectraandconcentrationvalues InductivelyCoupledPlasmaOpticalEmissionSpectroscopy(ICP-OES)hasbecometheleadingtechnologyforroutineanalysisofliquidsamplesaswellasmaterialsthatcanbeeasilyturnedintoaliquidformbydissolutionordigestion.Itsoriginliesinso-calledspectroscopesandspectrographsthatallowvisualevaluationofspectrallinesonafilm,whichrequiredmuchexperienceandtimeinordertoobtainreliableresults.ThedevelopmentsinelectronicsanddataprocessingallowedICPinstrumentstoappearonthemarketinthemiddleofthe1970swhichhelpedovercometheseobstaclesandenabletheroutineuseofopticalemissionspectroscopyinlaboratories. Duringthelastdecades,ICP-OEShasseendramaticimprovement.WhilethefirstcommerciallyavailableICPmachinesreliedontimeconsumingsequentialmeasurementsorhadlimitedavailabilityofemissionlinesduetotheuseofPhotomultiplierTubes(PMT),today'sICPinstrumentsareabletocapturewidespectralareassimultaneouslyinashorttimethankstomodernsolidstatedetectortechnology. ThisICP-OESprinciplevideopresentsaneasy-to-understandintroductionintothephysicsandthetechnologyofanopticalemissionspectrometerwithregardstoICPanalysis.Youcanfindmoredetailedinformationbyrequestingthefeaturedwhitepapersbelow. ContactUs ICP-OESInstruments SPECTROARCOS Oneinstrumentinsteadoftwo:OnlyMultiViewplasmainstrumentinthemarket‒trueaxialANDtrueradialplasmaobservationinasingleinstrument ORCAOpticalSystem:Simultaneousspectrumcaptureinthe130-770nmwavelengthrangewithupto5xmoresensitivitythanEchellebasedsystems-deliversbestinclassperformanceintheUV/VUVrange LDMOSGenerator:Upto2000Wpowerandrobustenoughtohandlevolatileorganicsandhighdissolvedsolidswithease ContactUs|RequestaQuote|RequestaDemo SPECTROGREEN NewrevolutionaryDualSide-OnInterface(DSOI)technologythatachievestwicethesensitivityofconventionalradial-plasma-viewinstruments NewGigEreadoutsystemthatenablesspectratransportinlessthan100msforfasteranalysisspeeds,shortersample-to-sampletimes,andmoresamplesperhour Extremelyagile,LDMOSgeneratorthatmakesexternalcoolingunnecessary:analyzedifficultsamplematricesinlowerdilutionstolowerlimitsofdetection—fasterwarmup(~10minutes)forhigherproductivity NewSPECTROICPAnalyzerProoperatingsoftwaredeliversasimplyintuitiveease-of-use ContactUs|RequestaQuote|RequestaDemo SPECTROGENESIS PowerfulalternativetosequentialICPandFAA:simultaneousspectrumcaptureinthe175-770nmwavelengthrangewiththecapabilitytoanalyzeupto700samplesperday Lowoperatingcosts:minimal0.5l/minopticpurge,nowaterchillernecessary Fasteroutofthegate:lessthan10minuteswarmuptime(previouslyover30)withthenewLDMOSgenerator ContactUs|RequestaQuote|RequestaDemo ContactUs IndustryOverview ApplicationNotesandWhitePaper ComparingICP-OESAnalyzersPlasmaViews:Axial,Radial,Dual,MultiView,andNewDualSide-OnInterface Thepaperexplainshoweachtechniqueworksandwhyunderstandingtheplasma-viewinginterfaceshouldbeamajorfactorintheselectionofthebesttechnologyandinstrumentforyourlaboratoryorspecificareaofresearch. ReadMore Hownewspectrometertechnologiessubstantiallycutoperatingcosts Thisreportexploreshowengineeringinnovationscansignificantlyreducecosts—enablingsubstantialsavingswhileimprovingperformance. ReadMore WhichICP-OESopticaltechnologyofferssuperiorperformance:EchelleorORCA? Thispaperexplainsthefundamentaldifferencesbetweenthetwoleadingopticaldesignsanddiscusseshoweachtechnologydealswithtechnicalchallengessuchaslightloss,straylight,spectralorderoverlaps,andothers.Thepaperalsoexplainshoweachcanpotentiallyaffecttheoutcomeofvariousanalyses. ReadMore Today´sRelevanceofElementalAnalysis Elementalanalysisplaysanimportantroleinmanyaspectsoflifetoday Industriesproducingorprocessingrawmaterialsrequirereliablequalitycontrolofboththeirbasematerialsandtheirfinishedproducts,andinmanycases alsousespectralanalysisinstrumentsformonitoringtheirprocesses.Researchanddevelopmentdepartmentsrequireflexibleanalyticaltechniquesto handletheirconstantlychangingrequirements.Additionally,wasteandwastewater alsoneedtobecheckedforcompliancewithnationalregulationsbefore beingdepositedorreleasedintotheenvironment. Theoilindustry useselementalanalysisnotonlytomonitortheproductionoftheirfuels,oilsandadditivesthemselves,butalsotostudytheeffectivenessof theirproductsbyanalyzingwearmetalcontentandadditiveconsumptioninusedoils.Thelatterisalsoofhighinterestforpeopleandcompanieswho monitorthehealthoftheirwell-oiledmachines,e.g.,turbinesforenergyproductionormotorsincargoshipsandotherlargevehicles. Inagriculture,elementalanalysisiscommonlyusedforverifyingthestateofthesoilinordertodeterminebothtypeandamountoffertilizerrequiredfor improvingqualityandyieldoftheharvest.Thefinishedfoodproductsthemselvesneedtobecheckedfortoxicelements,too.Otherhealthcarerelated applicationsincludethemonitoringofdrinkingwater,analyzingtoxicelementsinmedicalproducts andexaminingthereleaseoftoxicmetalsandmetallic allergensfromtoysandclothing. MoreinformationcanbefoundontheSPECTROICP-OESOverviewpage(seetab"ICP-OESFundamentals") Bycontinuingtousethesite,youagreetoourPrivacyandCookiePolicy. Ok MacCMS ×