Solvent and Flow Rate Effects on the Observed Compositional Profiles and the Relative Intensities of Radical and Protonated Species in Atmospheric Pressure Photoionization Mass Spectrometry
Sign Up to like & getrecommendations! Published in 2022 at "Analytical Chemistry"
DOI: 10.1021/acs.analchem.1c03463
Abstract: Sample preparation and instrument parameters have regularly been demonstrated to impact upon the observed results in atmospheric pressure photoionization, mass spectrometry (MS), and analytical techniques in general but may be overlooked when such methods are… read more here.
Keywords: atmospheric pressure; mass spectrometry; pressure photoionization; rate ... See more keywords
Characterization of Asphaltenes Precipitated at Different Solvent Power Conditions Using Atmospheric Pressure Photoionization (APPI) and Laser Desorption Ionization (LDI) Coupled to Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (FT-ICR MS)
Sign Up to like & getrecommendations! Published in 2018 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.7b02634
Abstract: In the present work, asphaltenes obtained using different n-heptane/crude oil ratios (HCORs) were analyzed using atmospheric pressure photoionization (APPI) and laser desorption ionization (LDI) coupled to Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS).… read more here.
Keywords: photoionization appi; using atmospheric; power; solvent power ... See more keywords
Rapid Identification of Adulteration in Extra Virgin Olive Oil via Dynamic Headspace Sampling and High-Pressure Photoionization Time-of-Flight Mass Spectrometry.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of agricultural and food chemistry"
DOI: 10.1021/acs.jafc.2c01361
Abstract: High-pressure photoionization time-of-flight mass spectrometry (HPPI-TOFMS) combined with dynamic headspace sampling was developed for rapid identification of adulteration in extra virgin olive oil (EVOO). The volatile organic compound (VOC) fingerprints of EVOO, refined rapeseed oil… read more here.
Keywords: photoionization time; oil; time flight; adulteration ... See more keywords