Inductively Coupled Plasma Optical Emission Spectroscopy ...

The advantages of using ICP-OES over other elemental analysis techniques such as inductively coupled plasma mass spectrometry (ICP-MS) or atomic absorption ... PopularApplications&TechniquesShopAllProductsServicesSupport Signin QuickOrder     Search ThermoFisherScientific SearchAll Search Home›Industrial&AppliedSciences›Spectroscopy,Elemental&IsotopeAnalysis›Spectroscopy,Elemental&IsotopeAnalysisLearningCenter›TraceElementalAnalysis(TEA)Information›InductivelyCoupledPlasmaOpticalEmissionSpectroscopy(ICP-OES)InformationTradeinandbringyourlabuptospeedwithanewICPorOEAinstrument›ExploreourinnovativesolutionsforSemiconductorFabricationAnalysis,Learnmore›InductivelyCoupledPlasmaOpticalEmissionSpectroscopy(ICP-OES)InformationSeeNavigation‹TraceElementalAnalysis(TEA)InformationAtomicAbsorptionSpectrometry(AAS)Information ›InductivelyCoupledPlasmaMassSpectrometry(ICP-MS)Information ›InductivelyCoupledPlasmaOpticalEmissionSpectroscopy(ICP-OES)Information ICP-OESSamplePreparation ICP-OESDataAnalysis ICP-OESSystemandTechnologies Inductivelycoupledplasmaopticalemissionspectroscopy(ICP-OES),sometimesreferredtoasICP-atomicemissionspectroscopy,isthetechniqueofchoiceformanyapplicationsthatrequireanalyzingasampleforitselementalcontent.Typicalsamplesinclude thoseintheenvironmental,metallurgical,geological,petrochemical,pharmaceutical,materials,andfoodsafetyarenas.Itcanbeappliedtovaryingsampletypessuchasaqueousandorganicliquidsandsolids.SomeofthesesampletypesneedspecificsamplepreparationtechniquesortheuseofspecificaccessoriestoallowthesampletobeintroducedintotheICP-OESinstrument.TheadvantagesofusingICP-OESoverotherelementalanalysistechniquessuchasinductivelycoupledplasmamassspectrometry(ICP-MS)oratomicabsorptionspectrometry(AAS)includeitswidelineardynamicrange,highmatrixtolerance,andtheenhancedspeedofanalysisthatcanbeachieved. WhatisICP-OES? Aplasmaisagas,inthiscaseargon,whichcontainsasignificantnumberofargonions.Theplasmaisformedbyseedingtheargongaspassingthroughaplasmatorchwithelectrons.Theelectronsareacceleratedandcollidewithargonatomsreleasingmoreelectronsandformingargonions.Elements,intheformofatoms,areintroducedintotheplasma.Aproportionofthesesatomswillbebecomeionizedwithintheplasma.Whenanatomorionisexcitedwithintheplasma,itselectronsmovefromalowertohigherenergylevel(figure1).Uponrelaxationoftheseelectronstotheirinitial'ground'state,energyisemittedintheformofphotons.Theemittedphotonspossesswavelengthsthatarecharacteristicoftheirrespectiveelements.Figure1.Excitationofanatombyaplasma.Oneelementcanhavemultipleelectronexcitationsandrelaxations;therefore,itcanhavemultiplecharacteristicwavelengths.Anexampleofanemissionspectrumforcalciumisshowninfigure2. Visibleemissionspectrumofcalcium Figure2.Emissionspectrumofcalciuminthevisiblerange.ICP-OEStakesadvantageoftheuniqueemissionspectraofelementstoidentifyandquantifythem.InthissectiononICP-OES,youwill:UnderstandthesystemsandtechnologiesthatdriveICP-OESLearnwhichsampletypescanbeanalyzedbyICP-OESandwhatconditionsmustbeconsideredduringsamplepreparationandintroductionRecognizeandcorrectforfactorsthatinterferewithaccuratedataanalysis ICP-OESinformationsubtopics ICP-OESSamplePreparationLearnhowdifferentsampletypesarepreparedforICP-OESanalysis,howchallengessuchasspectralinterferenceareaddressed,andhowsamplesthatcontainhighlevelsofsolidmaterialareprocessed.ICP-OESDataAnalysisUnderstandhowinstrumentcontrol,dataprocessing,andanalyticalsoftwarecoordinateICP-OESanalysis,aswellashowinternalstandards,interferencecorrectionsandqualitycontrolprotocolsaidingeneratingaccuratedata.ICP-OESSystemsandTechnologiesFindoutmoreabouttheindividualcomponentsofanICP-OESsystem,howthesesystemsareconfigured,andthenewestdevelopmentsinopticalemissionanalysis.SpectroscopyElemental&IsotopeAnalysisResourceLibraryLearnhowelementsandtheirisotopesprovideinformationaboutsampleoriginandidentityinourlibraryofapplicationsnotes,scientificposters,webinars,andmore. 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