Ion-molecule-reaction mass spectrometer for on-line gas analysis

被引：23
|
作者：
Bassi, D [1 ]
Tosi, P
Schlogl, R
机构：
[1] INFM, I-38050 Trento, Italy
[2] Univ Trent, Dipartimento Fis, I-38050 Trento, Italy
[3] Max Planck Gesell, Fritz Haber Inst, D-14795 Berlin, Germany
来源：
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A | 1998年 / 16卷 / 01期
关键词：
D O I：
10.1116/1.580957
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We describe an apparatus for ion-molecule-reaction mass spectrometry. It is suitable for on-line gas analysis covering the mass range from 1 to 200 amu with a sensitivity of about 1 ppm. The gas to be analyzed is ionized by reaction with a primary ion beam at low collision energy. A mass-selected ion source allows the fast switching among three primary ions beams (Xe+, Kr+, and CF3I+), covering the recombination energy range from 10.23 to 14.67 eV. Calibration measurements and an example of application to the study of heterogeneous catalysis are presented. (C) 1998 American Vacuum Society.
引用
收藏
页码：114 / 122
页数：9
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