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Design and Operation of a Portable Quadrupole Mass Spectrometer for the Undergraduate Curriculum
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Abstract
We describe the design and construction of a teaching mass spectrometer from components that are available commercially. The instrument is transportable, robust, and inexpensive. It yields a mass spectrum 3 minutes after being switched on and is designed to be used by undergraduates and maintained by faculty without special instrumental skills.
Several experiments are described, ranging from atomic weight determination (first year) to molecular effusion (junior year). Emphasis is placed on the use of the instrument for routine chemical analysis throughout the undergraduate curriculum.
Keywords (Audience):
Second-Year UndergraduateKeywords (Domain):
Laboratory InstructionKeywords (Pedagogy):
Computer-Based LearningKeywords (Subject):
Instrumental MethodsCiting Articles
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This article has been cited by 4 ACS Journal articles (4 most recent appear below).

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Michael Henchman and Colin SteelJournal of Chemical Education1998 75 (8), 1049The main features of the stability diagram for a quadrupole mass filter can be understood qualitatively using two concepts: (i) moderate RF voltages stabilize a trajectory; (ii) large RF voltages destabilize a trajectory. The trajectories of the ions ...
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- Received: August 03, 2009
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