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Aphysicalprocess:Emissionofcharacteristic"secondary"(orfluorescent)X-raysfromamaterialthathasbeenexcitedbyhigh-energyThisbookfocusesonthe practicalaspectsofX-rayfluorescence(XRF)spectroscopyanddiscussestherequirementsforasuccessfulsampleanalysis,suchassampleThislectureprovides ageneralintroductiontomainhardwareusedforXRFspectroscopy,including:MainconfigurationsofXRFspectrometersAstheangleθcantheoreticallyonlybe between0°and°(inpractice2°to°),'sinθ'onlyacceptsvaluesbetweenand+1X-RayFluorescenceSpectroscopy,Applications*emberInbook:Encyclopedia ofSpectroscopy&Spectrometry(pp)Chapter:X-rayFluorescenceSpectroscopy-providesabasicoutliningofthephysicsinvolvedinXRFspectroscopy,an overviewofthemaincomponentsoftheBrukerTRACeRandARTAXunits,aswellasadelineation,explanation,andresolutionoftheseveralphenomenaHelmut WolffHelmutWolffIncludessupplementarymaterial:AccessesCitationsAltmetricAnelementalanalysistechniqueAnewscientificgadgettoplaywithMakesit amustforalltheanalyticallaboratoriesandindividualanalystsbecauseofitsuserorientation.Tableofcontents.KeywordsXRFspectrometryiscapableof determiningalmostalltheelementsintheperiodictable,conventionallybetweensodiumanduranium(includingtheelectronegativeelements,suchaschlorine, phosphorus,sulfur,bromine,andiodine)todetectionlimits,ofteninthe1–mgkg lrangeArapid,simpletechniquecombiningdisksolid-phaseextractionand handheldX-rayfluorescence(XRF)spectrometrywasdevelopedfortheon-sitedeterminationofAs,Se,andCr(VI)indrinkingAboutthisbookThe wavelengthscovertherangeofvaluesoffourmagnitudesnmX-RayFluorescenceSpectroscopy,otherwiseknownasXRF,isananalyticaltechniquewhichis usedtoestablishthecompositionofarangeWhatisX-RayFluorescence(XRF)?ThemostcomprehensiveandlatestcorereferenceinthisfieldModifiersofx TheenergydispersiveX-rayfluorescencespectroscopy(XRF)isamethodformeasuringthethicknessofcoatingsandforanalysingmaterialsMakesitamustfor alltheanalyticallaboratoriesandindividualanalystsbecauseofitsuserXRFisabulkanalysistechniquewiththedepthofsampleanalyzedvaryingfromless thanmmtocmdependingontheenergyoftheemittedx-rayandthesamplecompositionTechnicalWhitePaperTheclosestthingwehavetoatricorderThe wavelengthdispersiveX-rayfluorescencetechniquecandetecteveryelementabovetheatomicnumber(Be)IntroductionSectionsAnotheracronymto rememberAtomicX-raysareemittedduringelectronictransitionstotheinnershellstatesinatomsofmodestatomicnumberTableofContentsIntroductiontoXRayFluorescenceAnalysis(XRF)iiDOC-MEXXV8–TheSequentialSpectrometerS8TIGERTheEnd-windowTubeandtheGeneratorWHATISXRF?XrayFluorescenceSpectrometryItcanbeusedforthequalitativeX-raySpectroscopyIntroductionX-raysareKeVphotonsThemostcomprehensiveandlatest corereferenceinthisfieldExcitationsources