Rapid and highly sensitive measurement of trimethylamine in seawater using dynamic purge-release and dopant-assisted atmospheric pressure photoionization mass spectrometry.
Sign Up to like & getrecommendations! Published in 2020 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2020.08.060
Abstract: Trimethylamine (TMA) is ubiquitous in the marine systems and may affect atmospheric chemistry as a precursor and strong stabilizer of atmospheric secondary aerosol, influencing cloud formation. Rapid and accurate measurement of the concentration of TMA… read more here.
Keywords: seawater; dopant assisted; mass; purge ... See more keywords
Understanding and Optimizing the Ionization of Polycyclic Aromatic Hydrocarbons in Dielectric Barrier Discharge Sources.
Sign Up to like & getrecommendations! Published in 2019 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.9b02044
Abstract: Fundamental aspects of undoped and dopant-assisted dielectric barrier discharge ionization (DBDI) were investigated with the aim to overcoming the suboptimal ionization efficiency of non-polar species. In the absence of dopants, PAHs mostly form [M+H]+ rather… read more here.
Keywords: dielectric barrier; barrier discharge; dopant assisted; radical cations ... See more keywords
Emissions of Formamide and Ammonia from Foam Mats: Online Measurement Based on Dopant-Assisted Photoionization TOFMS and Assessment of Their Exposure for Children.
Sign Up to like & getrecommendations! Published in 2023 at "Environmental science & technology"
DOI: 10.1021/acs.est.2c08857
Abstract: Formamide has been classified as a Class 1B reproductive toxicant to children by the European Union (EU) Chemicals Agency. Foam mats are a potential source of formamide and ammonia. Online dopant-assisted atmospheric pressure photoionization time-of-flight… read more here.
Keywords: dopant assisted; ammonia foam; formamide ammonia; foam mats ... See more keywords