acid, nitroguaiacol, and an atmospherically relevant mixture of those species serving as
surrogates for biomass burning aerosol have been determined employing a chemical
ionization mass spectrometer coupled to a rotating-wall flow-tube reactor. γ of O3, NO2,
N2O5, and NO3 in the presence of O2 are in the range of 1− 8× 10− 5,< 10− 6− 5× 10− 5, 4−
6× 10− 5, and 1− 26× 10− 3, respectively, for the investigated organic substrates. Within …