Mitchell W. Alton
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View article: The saturation vapor pressures of higher-order polyethylene glycols and achieving a wide calibration range for volatility measurements by FIGAERO-CIMS
The saturation vapor pressures of higher-order polyethylene glycols and achieving a wide calibration range for volatility measurements by FIGAERO-CIMS Open
The Filter Inlet for Gases and AEROsols coupled with a Chemical Ionization Mass spectrometer (FIGAERO-CIMS) is a widely used method for determining the chemical composition of the molecular constituents of atmospheric organic aerosols (OA)…
View article: A simple, versitile approach for coupling a liquid chromatograph and chemical ionization mass spectrometer for offline analysis of organic aerosol
A simple, versitile approach for coupling a liquid chromatograph and chemical ionization mass spectrometer for offline analysis of organic aerosol Open
A method is described for coupling a high-performance liquid chromatograph (HPLC) and chemical ionization mass spectrometer (CIMS) for offline analysis of organic aerosol. It employs a nebulizer interface and an Aerodyne Vaporization Inlet…
View article: Real-Time Measurements of Gas-Phase Medium-Chain Chlorinated Paraffins Reveal Daily Changes in Gas-Particle Partitioning Controlled by Ambient Temperature
Real-Time Measurements of Gas-Phase Medium-Chain Chlorinated Paraffins Reveal Daily Changes in Gas-Particle Partitioning Controlled by Ambient Temperature Open
Chlorinated paraffins (CPs) are synthetic polychlorinated n-alkanes produced as mixtures of a range of C x Cl y H2x-y+2 formulas. CPs have numerous industrial applications but are toxic, long-lived, and environmentally ubiquitous with envi…
View article: The saturation vapor pressures of higher-order polyethylene glycols and achieving a wide calibration range for volatility measurements by FIGAERO-CIMS
The saturation vapor pressures of higher-order polyethylene glycols and achieving a wide calibration range for volatility measurements by FIGAERO-CIMS Open
The Filter Inlet for Gases and AEROsols coupled with a Chemical Ionization Mass spectrometer (FIGAERO-CIMS) is a widely used method for determining the chemical composition of the molecular constituents of atmospheric organic aerosols (OA)…
View article: Effect of Burn Parameters on PAH Emissions at Conditions Relevant for Prescribed Fires
Effect of Burn Parameters on PAH Emissions at Conditions Relevant for Prescribed Fires Open
Wildfire smoke is a health hazard as it contains a mixture of carcinogenic volatile compounds and fine particulate matter. In particular, exposure to polycyclic aromatic hydrocarbons (PAHs) is a major concern, since these compounds have be…
View article: Measurements of Atmospheric Aerosol with the Vaporization Inlet for Aerosols and the Filter Inlet for Gases and Aerosols on a Bipolar Multi-Reagent Chemical Ionization Mass Spectrometer
Measurements of Atmospheric Aerosol with the Vaporization Inlet for Aerosols and the Filter Inlet for Gases and Aerosols on a Bipolar Multi-Reagent Chemical Ionization Mass Spectrometer Open
Atmospheric aerosols can be composed of a wide variety of organic and inorganic chemicals, which can dramatically affect the environmental impact of the particles. Understanding the chemical composition of aerosol assists in understanding …
View article: A Bipolar Multi-Reagent Chemical Ionization Mass Spectrometer for Versatile Measurements of Gas and Particle Phase Organics
A Bipolar Multi-Reagent Chemical Ionization Mass Spectrometer for Versatile Measurements of Gas and Particle Phase Organics Open
Organic species in the atmosphere originate from a wide range of sources and processes. While real time chemical ionization mass spectrometry (CIMS) has improved our capability to characterize individual organic species in the atmosphere, …
View article: Technical note: Gas-phase nitrate radical generation via irradiation of aerated ceric ammonium nitrate mixtures
Technical note: Gas-phase nitrate radical generation via irradiation of aerated ceric ammonium nitrate mixtures Open
We present a novel photolytic source of gas-phase NO3 suitable for use in atmospheric chemistry studies that has several advantages over traditional sources that utilize NO2 + O3 reactions and/or thermal dissociation of dinitrogen pentoxid…
View article: Comment on egusphere-2023-1554
Comment on egusphere-2023-1554 Open
Abstract. We present a novel photolytic source of gas-phase NO3 suitable for use in atmospheric chemistry studies that has several advantages over traditional sources that utilize NO2 + O3 reactions and/or thermal dissociation of dinitroge…
View article: Technical note: Gas-phase nitrate radical generation via irradiation of aerated ceric ammonium nitrate mixtures
Technical note: Gas-phase nitrate radical generation via irradiation of aerated ceric ammonium nitrate mixtures Open
We present a novel photolytic source of gas-phase NO3 suitable for use in atmospheric chemistry studies that has several advantages over traditional sources that utilize NO2 + O3 reactions and/or thermal dissociation of dinitrogen pentoxid…
View article: Generalized Kendrick analysis for improved visualization of atmospheric mass spectral data
Generalized Kendrick analysis for improved visualization of atmospheric mass spectral data Open
Mass spectrometry is an important analytical technique within the field of atmospheric chemistry. Owing to advances in instrumentation, particularly with regards to mass-resolving power and instrument response factors (sensitivities), hund…
View article: Comment on egusphere-2022-1319: mass vs mas/charge
Comment on egusphere-2022-1319: mass vs mas/charge Open
Abstract. Mass spectrometry is an important analytical technique within the field of atmospheric chemistry. Owing to advances in instrumentation, particularly with regards to mass resolving power and instrument response factors (sensitivit…
View article: Comment on egusphere-2022-1319: mass excess
Comment on egusphere-2022-1319: mass excess Open
Abstract. Mass spectrometry is an important analytical technique within the field of atmospheric chemistry. Owing to advances in instrumentation, particularly with regards to mass resolving power and instrument response factors (sensitivit…
View article: Scaled Kendrick Mass Defect Analysis for Improved Visualization of Atmospheric Mass Spectral Data
Scaled Kendrick Mass Defect Analysis for Improved Visualization of Atmospheric Mass Spectral Data Open
Mass spectrometry is an important analytical technique within the field of atmospheric chemistry. Owing to advances in instrumentation, particularly with regards to mass resolving power and instrument response factors (sensitivities), hund…