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Probing Trapped Ion Energies via Ion-Molecule Reaction Kinetics: Fourier Transform Ion Cyclotron Resonance Mass Spectrometry.

机译：通过离子 - 分子反应动力学探测捕获的离子能量：傅里叶变换离子回旋共振质谱。

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The kinetic energy-dependent Ar+N2 ion-molecule reaction has been used as a chemical thermometer to determine the kinetic energy of ions produced by electron ionization and trapped using a Fourier transform ion cyclotron resonance (FTICR) mass spectrometer. The rate constant for this reaction obtained on the FTICR mass spectrometer was compared to previous work, which allowed a kinetic energy estimate to be made. In addition, the effects of varying parameters such as trapping voltage and pressure on ion kinetic energy were investigated. No evidence of the differing reactivity of higher energy electronic states of Ar+, such as 2p1/2, was observed and the results of a model of this system are presented that support this observation. Pressure studies revealed that with an average of as few as 13 ion-molecule collisions, Ar+, ions are collisionally relaxed to an extent unaffected by additional collisions. Based on recent variable temperature selected ion flow drift tube (VT-SIFDT) measurements, FTICR ion energies are estimated to be slightly above thermal. Fourier Transform Ion Cyclotron Resonance Mass Spectrometry; Ion Energy/Temperatures; Ion/Molecule Kinetics; Ion Time-of-Flight.

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Bruce, J. E.; Eyler, J. R.;
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年度 1992
页码 1-22
总页数 22
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Cyclotron resonance; Ions; Kinetic energy; Mass spectrometry; Molecules; Reactivities; Trapping(Charged particles); Chemicals; Collisions; Constants; Electronic states; Ionization; Measurement; Models; Observation; Pressure; Rates; Resonance; Temperature; Voltage; Ion molecule reactions; Argon; Nitrogen;

机译：回旋共振;离子;动能;质谱;分子;反应;捕获（带电粒子）;化学品;碰撞;常数;电子态;电离;测量;模型;观察;压力;速率;共振;温度;电压;离子分子反应;氩;氮;

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2. In-source H/D exchange and ion-molecule reactions using matrix assisted laser desorption/ionization Fourier transform ion cyclotron resonance mass spectrometry with pulsed collision and reaction gases [J] . Witt M., Fuchser J., Baykut G. Journal of the American Society for Mass Spectrometry . 2002,第4期

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3. Internal Energy Distributions Resulting from Sustained Off-Resonance Excitation in Fourier Transform Ion Cyclotron Resonance Mass Spectrometry. II. Fragmentation of the 1-Bromonaphthalene Radical Cation [J] . Julia Laskin, Jean Futrell The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory . 2000,第23期

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5. The investigation of gas-phase ion-molecule reactions with Fourier transform ion cyclotron resonance mass spectrometry. [D] . Crellin, Kevin Christopher. 1997

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6. Laser desorption studies of high mass biomolecules in Fourier-transform ion cyclotron resonance mass spectrometry. [O] . T Solouki, D H Russell 1992

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7. Probing trapped ion energies via ion-molecule reaction kinetics: fourier transform ion cyclotron resonance mass spectrometry [O] . Department of Chemistry, University of Florida, Gainesville, Florida, USA ( host institution ), Bruce, James E. ( UF author ), Eyler, John R. ( UF author ) 1992

机译：通过离子-分子反应动力学探测捕获的离子能量：傅里叶变换离子回旋共振质谱

Probing Trapped Ion Energies via Ion-Molecule Reaction Kinetics: Fourier Transform Ion Cyclotron Resonance Mass Spectrometry.

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