ArticleACS earth & space chemistry2026
Heterogeneous Nitrate Radical Oxidation of Catechol Produces Nitrocatechols, Oligomers, and Brown Carbon.
Article in ACS earth & space chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Catechol is an important biomass-burning phenolic compound and a precursor of secondary organic aerosol. This work reports the molecular products generated during heterogeneous oxidation of catechol thin films by nitrate radicals under dry conditions. Fourier transform infrared spectroscopy (FTIR), UV-visible spectroscopy, electrospray ionization mass spectrometry (ESI-MS), and ultrahigh-pressure liquid chromatography coupled with mass spectrometry (UHPLC-MS) were used to characterize condensed-phase products and light-absorbing chromophores. FTIR spectra showed the appearance of nitroaromatic absorptions near 1590 and 1350 cm
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