Miniature Cylindrical Ion Trap Mass Spectrometer

A miniature cylindrical ion trap mass spectrometer is described, and preliminary data are presented. Functionality and performance of laboratory-scale instruments have been maintained to the extent possible in this battery-operated mass spectrometer. Capabilities include tandem mass spectrometry exp...

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Bibliographic Details
Published in:Analytical chemistry (Washington) 2002-12, Vol.74 (24), p.6145-6153
Main Authors: Patterson, Garth E, Guymon, Andrew J, Riter, Leah S, Everly, Mike, Griep-Raming, Jens, Laughlin, Brian C, Ouyang, Zheng, Cooks, R. Graham
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Exact sciences and technology
General, instrumentation
Ions
Scientific imaging
Spectrometric and optical methods
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Summary:A miniature cylindrical ion trap mass spectrometer is described, and preliminary data are presented. Functionality and performance of laboratory-scale instruments have been maintained to the extent possible in this battery-operated mass spectrometer. Capabilities include tandem mass spectrometry experiments. Custom-designed electronic components include the RF scanning and amplification system, data acquisition components, and lens power supplies, as well as a custom-software application. Direct leak and membrane introduction inlet systems are used for sample introduction. A mass/charge range of ∼250 Th with unit mass resolution has been demonstrated.
ISSN:0003-2700
1520-6882
DOI:10.1021/ac020494d