Ion trapping and separation using potential wells

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Description

A new mode of operation for an ion mobility spectrometer (IMS) has been demonstrated that uses potential wells to trap and separate ions by their mobility. This mode of operation has been made feasible by the improvements in personal computers that now allow real-time control of the potentials on ring electrodes in the IMS drift tube. This mode of operation does not require a shutter grid and allows the accumulation of ions in the potential well to enhance the ion signal. Loss of ions from the potential well is controlled by the radial electric fields required by Gauss's law.

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21 p.

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Butler, M.A. January 4, 2000.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

A new mode of operation for an ion mobility spectrometer (IMS) has been demonstrated that uses potential wells to trap and separate ions by their mobility. This mode of operation has been made feasible by the improvements in personal computers that now allow real-time control of the potentials on ring electrodes in the IMS drift tube. This mode of operation does not require a shutter grid and allows the accumulation of ions in the potential well to enhance the ion signal. Loss of ions from the potential well is controlled by the radial electric fields required by Gauss's law.

Physical Description

21 p.

Notes

OSTI as DE00750191

Medium: P; Size: 21 pages

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  • Other Information: PBD: 4 Jan 2000

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  • Report No.: SAND2000-0062J
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 750191
  • Archival Resource Key: ark:/67531/metadc711551

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 4, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 7, 2017, 7:25 p.m.

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Butler, M.A. Ion trapping and separation using potential wells, article, January 4, 2000; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc711551/: accessed April 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.