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.

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页码：114 / 122

页数：9

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