Calibration of an audio-frequency ion trap mass spectrometer
文献类型：期刊论文
| 作者 | Cai, Y; Peng, WP; Kuo, SJ; Chang, HC |
| 刊名 | international journal of mass spectrometry
 |
| 出版日期 | 2002-02-15 |
| 卷号 | 214期号:1页码:63-73 |
| 关键词 | audio-frequency mass calibration single particle light scattering |
| 英文摘要 | a method for calibration of an audio-frequency (af) ion trap mass spectrometer is described. the method is proposed to surmount the obstacle that there is a lack of a proper calibrant for mass spectrometers in the mass-to-charge ratio (m/z) range of 10(6) to 10(10). to calibrate such mass spectra, we determine the point of ejection, q(eject), on the stability diagram of the ion trap operated in a mass-selective axial instability mode. this is accomplished by measuring the radial secular frequencies (and therefore, the m/z value) of a single trapped particle using a light scattering method, followed by monitoring the action of particle ejection in real time to obtain the q(eject). a delayed ejection with q(eject) = 0.949 +/- 0.004 is found at a trap driving frequency of ohm/2pi = 200-600hz. theoretical analysis for the origin of the delayed ejection indicates that the delay is predominantly resulted from the existence of multipole components in the fields due to trap imperfections. inclusion of -3% of the octopole with respect to the basic quadrupole field can satisfactorily account for our observations. an m/z accuracy approaching 0.1% is attainable after proper calibration of the af ion trap mass spectrometer. (int j mass spectrom 214 (2002) 63-73) (c) 2002 elsevier science b.v. all rights reserved. |
| WOS标题词 | science & technology ; physical sciences ; technology |
| 类目[WOS] | physics, atomic, molecular & chemical ; spectroscopy |
| 研究领域[WOS] | physics ; spectroscopy |
| 关键词[WOS] | paul trap ; particle ; single ; scan ; shifts |
| 收录类别 | SCI |
| 原文出处 | true |
| 语种 | 英语 |
| WOS记录号 | WOS:000174338000006 |
| 公开日期 | 2010-11-30 |
| 源URL | [http://159.226.238.44/handle/321008/83869]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | 1.Acad Sinica, Inst Atom & Mol Sci, Taipei 106, Taiwan 2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cai, Y,Peng, WP,Kuo, SJ,et al. Calibration of an audio-frequency ion trap mass spectrometer[J]. international journal of mass spectrometry,2002,214(1):63-73. |
| APA | Cai, Y,Peng, WP,Kuo, SJ,&Chang, HC.(2002).Calibration of an audio-frequency ion trap mass spectrometer.international journal of mass spectrometry,214(1),63-73. |
| MLA | Cai, Y,et al."Calibration of an audio-frequency ion trap mass spectrometer".international journal of mass spectrometry 214.1(2002):63-73. |
入库方式： OAI收割
来源：大连化学物理研究所
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