Ion-molecule-reaction mass spectrometer for on-line gas analysis
作者:
D. Bassi,
P. Tosi,
R. Schlögl,
期刊:
Journal of Vacuum Science&Technology A: Vacuum, Surfaces, and Films
(AIP Available online 1998)
卷期:
Volume 16,
issue 1
页码: 114-122
ISSN:0734-2101
年代: 1998
DOI:10.1116/1.580957
出版商: American Vacuum Society
数据来源: AIP
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+,andCF3I+), 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.
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