chapter4 atomic absorption spectroscopy.ppt

Chapter44tomic4psorptioz,SpectrosCoOP)4.1.TheoreticalConcepts4.2.AtomicAbsorptionInsfrumentation4.3.GraplutsFurriaceAtomucAbsorption4.4.ControlofAnalyticalInterferences4.1.TheoreticalConcepts1.TheAtomicAbsorptionProcess2.TheoreticalConcepts3.QuantitativeAflatysis4.CharacteristicConcentration5.DetectionLimits1.TheAtomicAbsorptionProcessFig4-1bsorption1一一人1e_____________rstatesT真zEJ个Nr主GroundstateFig4-3GrotriandiagramsforNa2GrotriandiagramsforKFig42.TheoreticalConcepts(UDIntegralFormulaofAASFig4-4TypicalShapeofAAtomicAbsorptionlineIntegralAbsorptionFormulakByatomictheory【]5av=爱fM(4.1)ByLineShapeFunction(theNaturedistribute)aav=yy硕Avp42)ThePeakAbsorptionCoefficientkis:(2)PeakAbsorptionTheorybyLambert-Beer「sLaw:(44)(4.5)(4.6)TheAbsorbanceis:二二“一一一2仪《=一坏育=一医2区WhenAva>>AvethenKvsko,AyF0hQe命圭d'4=_】gI0^薯气)v雇_lge…扣o巾P一余L=0.4343z5J怡登/IV5=KV,。

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