乙醇在电感耦合等离子体质谱中的增强效应研究

15,5199510SPeetroseopyandSpeetr.alAnalysisVol.15,No.5,Pp3540Oetober,1995,1。。037ICPMS。,。:。,,。,,AseS。PMS,,,As,eS1984ICPMS,。,,。“”。〔``3],,。,,ICPMS,。。。〔8`。〕。。。、、、。,,。ICPAESAAS1[’,`5」。〔`5〕95%10。。ICPMS。Longerich1s[〕、。`40Ce+。,Longerich,,cIPMS12%,。l7[〕cIPMs。,Hg,As,Au,eSTe,。1994l3163911eV,(n.2e0V)。,。,。,,,。、VGplasrnaQuadICpMS(VGElemental,Winsford,CheshireuK)。1。1cIPMs/mm(Ni)/mm(Ni)/mmó.lk/W/W(Ar)/(l/min)(Ar)/(l/n;:)/Pa/V21040.5amu,`sln(:MCA/S/6~240amu)20482501203、(IOOgn/ml)。,。(99.99%)。。:。(loong/ml)(V/v),。。1%(V/V)HNO。。、。()。5%,HNO3。,。37、1%。12C.12Cll`,`2(C),`,COH+,`ZC`ZC+,4oAr`ZC+,oAr`60+,4oAr。52Cr40Ar`ZC,5e40Ar`60+,“。eS+40Ar。8550CPS(),85,loCPS。29~85。21%(CP)SHZOH:OBe922Cu63244Ti47314Zn66316V51216Ge7422Cr52413,396As751015Mn55329Se7722Co5955Rh85629、150。2%。,,。2%,,,。AseS,。1。1,2%,AseS。、7.06.0U0\012(%)l2%,CIP。2。2:,。1%HNO3,,。1.Zkw,As2%HN():,0.90L/min,2%As0.80L/min。,2%。2%,ICP。831.4kw、/\7`A,+14kw17Wkb-…`.J/.2`w’“\/、、w\/1x“。X0.850.95t/(L/min)t(/L/m)521kw1“nI+1.4kw、8xZl0.75.0850.95.b,`,lx\\t/(L/min).0.750.850.951.0t(/L/min)2t—2,—2%、,。3。2%,5%Tmlmg/ml。,。,,(geB238U),,:(l),。。(2)AseSAseS,lmg/mlTm,,Tm。。,,,。2%,,ICP,ICP93,,,。2%,,。l5[〕ICP,,ICP,95%,。3,,AseS,。、.,,T(109/nlI)se,””1t...l.--,..-ù,,。,AseS。ICPMS“”,eS,80eS(50%)’SSe(23.5%)4oAr38Ar40Ar+,,”eS(7.58),,,ICPMS。,,,。3AseS(2%),,}、M..f!.......,’lyùUóUó“.6..54。`\.`~.eT。、《{。`J`2060100140180220(/3。,。,。,。2%lmg/mlTm。4。,,Tm。。3AsSe/(ng/ml)15」19〕As0.060.140.017(1)(2)0.005Se0.281.50176.00.02:(l)ICPMS(2)ICPMSICPMS,:(l),。。。,,。(2)AseS。2%Asse600%。40(3)。Tm。(4)AsSe,。4Tm(eps)1182774371474625373176662906426964160493003860953064685711201759016210598731135986318335621801135424111229555960637475?71151391307470281431487836457104oCiNuCeGsAeSnIaL:(z)song/ml(2)song/ml+lmg/mlTm(3)50ng/ml+lmg/mlTm2%()1olivaresJAandHoukRS.Anal.Che.,1986,58(l):20.2BeaueheminD,MelarenJWandBermanSS.SPectrochi.Acta,1987,42B(3):467,3VandeeasteeleC,,NagelsM,VanhoeHandDamsR·Anal.Chim·Acta,1988·211(1/2):91.4GillsonGR,DouglasDJ,FulfordJE,HalliganKWandTannerSD.Anal.Ch.,1988,60(14):1472·5GregoireDC.SPctrochim.Acta,1987,42B(7):895.6GregoireD(.APPI.sPeezrosc.,1987,41(5):897·7TanSHandHorlieGI·Anal·Atom·SPeetrom·,1987,2(8):745·8SehmitJPandChauvetteA.I.Anal.At.Spectrom.,1989,4(8):755·9KimYS,KawaguehiH,TanakaTandMizuikeA.SPectroehim.Acta,1990,45B(3):533.10WangJ,ShenWL,SheppardBS,EvansEH,CarusoJAandFriekeFL.,1.Anal.At.Spectro.,1990,5(6):445.11CrainJS,HoukR5andSmithFG.Speetrochim.Acta,1988,43B(9/11):1355.12WangJ.EvansEHandCarusoJA.I.Anal.At.SPeetr。.,1991,6(8):605.13EvansEHandCarusoJA.SPeetrochi.Acta,1992,47B(8):1001.14,,·,1974,2:213425,,.·1988.16(3):198·16LongeriehHP.I.Anal.At.SPectrom.,1989,4(7):665·17AllainP,JaunaultL,MaurasY,MermetJMandDelaporteTAnal.Chem.,1991,63(14):1497.(46)64(、04)18DouglasTandJosePhAC.APPliedSPe`troscoP,1990,19PowellMJ,oBomerDWaridMeViearsRJ.Anal.Ch`m.44(2):228.1986,5(13):2864.ENHANCEMENTEFFECTOFETHANOLINICPMSLIBingandYINMillgN“tionalReseacrhCenterofGeoanal51、,100037BeijingAbstraetSignalenhaneementofelements,partieularlyforAsandSe,duetothepreseneeofethanol`intheICPMS15reported.ThedependeneeofsignalenhaneementonPlasmaPOWerhasat}atandnebulizerflowratewasstudied·ComparingwithTandglyeerol,2%ofethanolenhaneementeffeetonsignalsofallthelightelernentsexamined·AnobviousfeaturetheenhaneementeffeetdroPsoffwiththeinereaseinmassnumberwasobserved.Ethanol,asanenhaneementagent,byinorganiematrixandtoimproveCanthebeusedtodeteetioneompensatethesignaldepressioneausedlimitsfortheelementsnotfavourableinICPMSdeterminationstehasAsandSe.KeywordsICPMSEthanol,Enhaneementeffeets,As,Se(Reeeived,Jan.31,1994)