Abiogenic nitrous oxide formation on aerosols

Abiogenic N2O production was observed on aerosols collected by a high volume sampler. Dependent on relative humidity, 0.03–0.085 nmol N2O per mg aerosol (dry weight) was formed during 48 h of incubation. From pure salts containing ammonium and nitrate, N2O was emitted at lower rates compared to airborne aerosols. This may be due to differences in the overall composition of aerosols and salt particles, differences in size and surface area, or differences in deliquescence points of airborne aerosols and salt particles.