Search Results - "Guzowski, John P"

Gas Sampling Glow Discharge:  A Versatile Ionization Source for Gas Chromatography Time-of-Flight Mass Spectrometry by Guzowski, John P, Hieftje, Gary M

“…A gas chromatograph has been coupled to a direct-current gas sampling glow discharge (GSGD) ionization source for the mass spectrometric analysis of…”
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Understanding and Control of Dimethyl Sulfate in a Manufacturing Process: Kinetic Modeling of a Fischer Esterification Catalyzed by H2SO4 by Guzowski, John P, Delaney, Edward J, Humora, Michael J, Irdam, Erwin, Kiesman, William F, Kwok, Albert, Moran, Amy D

“…The formation and fate of monomethyl sulfate (MMS) and dimethyl sulfate (DMS) were studied by proton NMR for a sulfuric acid catalyzed esterification reaction…”
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Time-of-flight mass spectrometry as a tool for speciation analysis by Bings, Nicolas H., Costa-Fernández, José M., Guzowski, John P., Leach, Andrew M., Hieftje, Gary M.

“…Time-of-flight mass spectrometry (TOFMS) has recently been introduced as an alternative to scanning-based mass analyzers for use in elemental analysis. Coupled…”
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Determination of Halogenated Hydrocarbons by Helium Microwave Plasma Torch Time-of-Flight Mass Spectrometry Coupled to Gas Chromatography by Pack, Brian W, Broekaert, José A. C, Guzowski, John P, Poehlman, John, Hieftje, Gary M

“…A helium microwave plasma torch (MPT) was coupled to time-of-flight mass spectrometry (TOFMS) for the detection of halogenated hydrocarbons separated by…”
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Electrothermal vaporization for sample introduction into a gas sampling glow discharge time-of-flight mass spectrometer by Guzowski, John P, Broekaert, Jose A.C, Hieftje, Gary M

“…An electrothermal vaporizer (ETV) has been coupled with a helium-supported gas sampling glow discharge (GSGD) time-of-flight mass spectrometer (TOFMS) for the…”
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Isotope Ratio Measurements with Elemental-Mode Electrospray Mass Spectrometry by Ketterer, Michael E, Guzowski, John P

“…The isotope ratio capabilities of an electrospray ionization source interfaced to a quadrupole mass spectrometer are described. With the instrument operated in…”
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Understanding and Control of Dimethyl Sulfate in a Manufacturing Process: Kinetic Modeling of a Fischer Esterification Catalyzed by H 2 SO 4 by Guzowski, John P., Delaney, Edward J., Humora, Michael J., Irdam, Erwin, Kiesman, William F., Kwok, Albert, Moran, Amy D.

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