icp-ms日立公司仪器

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1、ModelP-5000ICP-MSHitachiLtd.Instruments此文本为一会议报告，不属仪器分析课程要求的内容。有兴趣的同学可以看一看。ICP/AESAtomicAbsorptionFurnacePlasma/MS　(ICP/MS､MIP/MS)pptppbppmThrough-put(Elements/min)0.010.1110100SingleElementMultiElementAnalysisAnalysisAtomicAbsorptionFlameP-5000P-4010Z-5010seriesP-6000AtomicAbsorptionFurnace&Flame

2、ICP-AESICP-MSMIP-MSLineUpforElementalAnalysisSensitivityIontraptypeICP-MSHi-PowerMIP-MSICP-MS电感耦合等离子体质谱仪InductivelyCoupledPlasmaMassSpectrometry等离子体-离子源质谱-按原子(分子)质量顺序排列的图谱质谱仪-质量分析仪,对带电粒子起作用,M/e与离子强度其他联用技术GC-MSHPLC-MS特点:无机质谱分析速度快线性范围宽可多元素测定80多种元素检出限低PPTCharacteristicsP-5000的优势Combinationofaninducti

3、velycoupledplasmaionsourceandaniontrapforelementalanalysis.1.Reductionofmatrixionsderivedfromargonbyusingtandemmassspectrometry(MS2)2.Spacechargeeffectssuppressedbyusingfilterednoisefield(FNF)3.Ionconcentrationthroughtrapping(adetectionlimitispptlevelformostelements)要点:1.ICP和三维四极离子阱的结合是目前为止最佳的ICP

4、-MS原因:MS2解决了分子离子的干扰FNF解决了空间电荷效应抑制问题离子阱的储存离子功能提高灵明度IntroductionP-5000ICP-MSisthefirstiontraptypeICP-MSintheworld.Itoffers:1.LowBackgroundsignal2.Highsensitivity3.Widedynamicrange4.EasyoperationStructureofP-5000ICP-MSDetectorIontrapIonguideSamplingconeSkimmerconeTorchChamberNebulizerRotarypumpsTurbo

5、molecularpumpsPeristalticpumpComparisonofiontrapandconventionalQMS#Tandemmassspectrometry#Relativelycompactinstrument#Hightransmissionefficiencyintheselectedionmonitoring(SIM)modeQMS:transmittingtypeIontrap:trappingtypeWhatisIontrap?提示:离子阱全能与ICP结合最佳四极杆适合选择离子检测与GC,LC配合更好Iontrapbasicaction(Entranceg

6、ate)(Exitgate)IonsDetectorIonstrappingIondetectionTimeMultifunctionanalysisWhatisIontrap?openclosecloseclosecloseopenEntrancegateExitgate1.LowbackgroundsignalInaP-5000system,collision-induceddissociationisusedtoeliminatetheinterferencefrommolecularions.碰撞诱导分裂2.Hi-sensitivityandwidedynamicrangeBych

7、angingtheiontrappingtime,itispossibletochangetheionsensitivity.阱的时间3.EasymeasurementSimultaneousanalysis,qualitative,quantitativeanalysis.4.Ar-ICPionsourceRF:27MHz,MaximumPower:1.4kWMainFeaturesofP-5000ICP-MSMain