Ultra-High Resolution Elemental/Isotopic Mass Spectrometry (m/Δm > 1,000,000): Coupling of the Liquid Sampling-Atmospheric Pressure Glow Discharge with an Orbitrap Mass Spectrometer for Applications in Biological Chemistry and Environmental Analysis
Sign Up to like & getrecommendations! Published in 2019 at "Journal of The American Society for Mass Spectrometry"
DOI: 10.1007/s13361-019-02183-w
Abstract: AbstractMany fundamental questions of astrophysics, biochemistry, and geology rely on the ability to accurately and precisely measure the mass and abundance of isotopes. Taken a step further, the capacity to perform such measurements on intact… read more here.
Keywords: mass spectrometry; liquid sampling; chemistry; mass ... See more keywords
Passive permeation sampling of atmospheric HNO3
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DOI: 10.1016/j.atmosenv.2021.118758
Abstract: Abstract Passive samplers based on molecular diffusion are used to measure many organic and inorganic gaseous species in the atmosphere. In this study, the permeation resistance of two types of polytetrafluoroethylene membrane filters (TA300 and… read more here.
Keywords: permeation sampling; hno3; permeation; hno3 passive ... See more keywords
Liquid Sampling-Atmospheric Pressure Glow Discharge Ionization as a Technique for the Characterization of Salt-Containing Organic Samples.
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DOI: 10.1021/acs.analchem.0c00361
Abstract: Typical ionization techniques used for mass spectrometry (MS) analysis face challenges when trying to analyze organic species in a high salt environment. Here, we present results using a recently developed ionization source, liquid sampling-atmospheric pressure… read more here.
Keywords: salt; liquid sampling; salt containing; atmospheric pressure ... See more keywords
Coupling of the Liquid Sampling-Atmospheric Pressure Glow Discharge to Orbitrap Mass Analyzers for Uranium Isotope Ratio Analysis: Evolution of the Methodology and Implications to the Field.
Sign Up to like & getrecommendations! Published in 2023 at "Applied spectroscopy"
DOI: 10.1177/00037028221147927
Abstract: Just over a decade ago, a truly outside-of-the-box approach to isotope ratio mass spectrometry (IRMS) was undertaken between research groups at Clemson University and the Pacific Northwest National Laboratory. The original motivation dealt with projections… read more here.
Keywords: atmospheric pressure; pressure glow; methodology; liquid sampling ... See more keywords