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Issue 11, 2017
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Atmospheric pressure soft ionization for gas chromatography with dielectric barrier discharge ionization-mass spectrometry (GC-DBDI-MS)

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Abstract

In this study, a gas chromatography (GC) system was interfaced to a high-resolution Orbitrap mass spectrometer by means of an active capillary plasma ionization source, based on dielectric barrier discharge ionization (DBDI). This allowed highly efficient soft ionization of gas-phase, chromatographically resolved compounds at ambient pressure. Several pesticides and illicit drugs were analyzed, and the limits of detections (LODs) were as low as 30 pg mL−1 for the GC-DBDI-MS coupling (corresponding to 60 fg on-column sensitivity) and 30 fg mL−1 for SPME-GC-DBDI-MS.

Graphical abstract: Atmospheric pressure soft ionization for gas chromatography with dielectric barrier discharge ionization-mass spectrometry (GC-DBDI-MS)

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Publication details

The article was received on 10 Feb 2017, accepted on 13 Apr 2017 and first published on 19 Apr 2017


Article type: Paper
DOI: 10.1039/C7AN00245A
Citation: Analyst, 2017,142, 1909-1915

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    Atmospheric pressure soft ionization for gas chromatography with dielectric barrier discharge ionization-mass spectrometry (GC-DBDI-MS)

    M. F. Mirabelli, J. Wolf and R. Zenobi, Analyst, 2017, 142, 1909
    DOI: 10.1039/C7AN00245A

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