Laser ablation ion-storage time-of-flight mass spectrometry

被引：0
|
作者：
R.E. Russo
G.L. Klunder
P. Grant
B.D. Andresen
机构：
[1] Lawrence Berkeley National Laboratory,
[2] Berkeley,undefined
[3] California 94720,undefined
[4] USA,undefined
[5] Forensic Science Center,undefined
[6] Lawrence Livermore National Laboratory,undefined
[7] Livermore,undefined
[8] CA 94550,undefined
[9] USA,undefined
来源：
Applied Physics A | 1999年 / 69卷
关键词：
PACS: 79.20.D; 82.80.K; 07.75;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new mass spectrometer system was developed for studying laser ablation and performing analytical chemistry. The system is based on an ion trap geometry used in ion-storage (IS) mode, coupled with a reflectron time-of-flight mass spectrometer (TOFMS). The LA-IS/TOF-MS can be used for MALDI or direct ionization of samples on a probe tip. The system configuration and related operating principles for accurately measuring low concentrations of isotopes will be described. Preliminary measurements identified ultra-trace contaminants of Ag, Sn, and Sb in a Pb target with single laser-shot experiments. Survey analyses of uranyl acetate, hair samples, and mushrooms demonstrated that this technology can be applied to a wide range of sample materials.
引用
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页码：S895 / S897
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