Design and Operation of a Portable Quadrupole Mass Spectrometer for the Undergraduate Curriculum

Michael Henchman and Colin Steel
Department of Chemistry, Brandeis University, Waltham, MA 02254
J. Chem. Educ., 1998, 75 (8), p 1042
DOI: 10.1021/ed075p1042
Publication Date (Web): August 1, 1998

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 Undergraduate

Keywords (Domain):

Laboratory Instruction

Keywords (Pedagogy):

Computer-Based Learning

Keywords (Subject):

Instrumental Methods

Citing Articles

Citation data is made available by participants in CrossRef's Cited-by Linking service. For a more comprehensive list of citations to this article, users are encouraged to perform a search in SciFinder.

This article has been cited by 4 ACS Journal articles (4 most recent appear below).

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    • Measuring Gas-Phase Basicities of Amino Acids Using an Ion Trap Mass Spectrometer. A Physical Chemistry Laboratory Experiment

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      A new experiment for the undergraduate physical chemistry laboratory has been developed that uses an ion trap mass spectrometer to measure the relative gas-phase basicities of amino acids. This experiment is based on the kinetic method, which connects ...

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    • Separation and Identification of a Mixture of Group 6 Transition-Metal Carbonyl Compounds Using GC–MS in the General Chemistry Curriculum

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      The concept of gas chromatography–mass spectroscopy (GC–MS) has been successfully incorporated into our general chemistry curriculum at City College of San Francisco. In particular, students are asked to separate and analyze a mixture of the group 6 ...

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    Metal Complexes of Trifluoropentanedione. An Experiment for the General Chemistry Laboratory

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    • Metal Complexes of Trifluoropentanedione. An Experiment for the General Chemistry Laboratory

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      Journal of Chemical Education2001 78 (5), 665

      The transition-metal complexes produced by the reactions of Cr(III), Mn(II), Fe(III), Co(II), Ni(II), and Cu(II) with 1,1,1-trifluoro-2,4-pentanedione form the basis of this general chemistry laboratory exercise. The complexes can be prepared quickly in ...

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    Understanding the Quadrupole Mass Filter through Computer Simulation

    Michael Henchman and Colin Steel
    Journal of Chemical Education1998 75 (8), 1049
    • Understanding the Quadrupole Mass Filter through Computer Simulation

      Michael Henchman and Colin Steel
      Journal of Chemical Education1998 75 (8), 1049

      The 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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