Use of an ambient ionization flowing atmospheric-pressure afterglow source for elemental analysis through hydride generation

Gregory D. Schilling, Jacob T. Shelley, José A C Broekaert, Roger P. Sperline, M Bonner Denton, Charles J. Barinaga, David W. Koppenaal, Gary M. Hieftje

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

An ambient mass spectrometry ionization source based on an atmospheric-pressure flowing afterglow has been coupled to a Mattauch-Herzog mass spectrograph capable of simultaneous acquisition of a range of mass-to-charge values by means of a Faraday-strip array detector. The flowing afterglow was used as the ionization pathway for species produced by hydride generation. This ionization strategy circumvents problems, such as discharge instabilities or memory effects, induced by introducing the gaseous sample into the discharge. The generated spectra show both atomic and molecular peaks; calibration curves were calculated for both peak types with limits of detection for arsenic below 10 ppb. This study demonstrates the ability to use an ambient mass spectrometry source, commonly used for molecular analyses, for the detection of gas phase elemental species with the possibilty of performing speciation by coupling with a separation technique.

Original languageEnglish (US)
Pages (from-to)34-40
Number of pages7
JournalJournal of Analytical Atomic Spectrometry
Volume24
Issue number1
DOIs
StatePublished - 2009

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Hydrides
Atmospheric pressure
Ionization
Mass spectrometry
Spectrographs
Arsenic
Ion sources
Chemical analysis
Gases
Calibration
Detectors
Data storage equipment

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy

Cite this

Use of an ambient ionization flowing atmospheric-pressure afterglow source for elemental analysis through hydride generation. / Schilling, Gregory D.; Shelley, Jacob T.; Broekaert, José A C; Sperline, Roger P.; Denton, M Bonner; Barinaga, Charles J.; Koppenaal, David W.; Hieftje, Gary M.

In: Journal of Analytical Atomic Spectrometry, Vol. 24, No. 1, 2009, p. 34-40.

Research output: Contribution to journalArticle

Schilling, Gregory D. ; Shelley, Jacob T. ; Broekaert, José A C ; Sperline, Roger P. ; Denton, M Bonner ; Barinaga, Charles J. ; Koppenaal, David W. ; Hieftje, Gary M. / Use of an ambient ionization flowing atmospheric-pressure afterglow source for elemental analysis through hydride generation. In: Journal of Analytical Atomic Spectrometry. 2009 ; Vol. 24, No. 1. pp. 34-40.
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AU - Sperline, Roger P.

AU - Denton, M Bonner

AU - Barinaga, Charles J.

AU - Koppenaal, David W.

AU - Hieftje, Gary M.

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