Geophysical Research Letters · 1979 · 443 citations · 13 references
Natural SciencesChemistryEnvironmental SciencesAir PollutionAtmospheric ChemistryAtmospheric ScienceAir Pollution ChemistryAtmospheric AbsorptionAtmospheric OpticsAtmospheric Oxidation ProcessesOptical SpectroscopyTropospheric ChemistryNitrous AcidNitrous OxideOptical AbsorptionOptical Absorption Spectra
HNO 2 was investigated by long path optical absorption at three sites in Western Europe. It vas definitely identified and measured in moderately polluted air at Jülich. Mixing ratios as high as 0.8 ppb were observed before sunrise. After sunrise the HNO 2 is photolyzed and considerable amounts of OH are produced. The formation of HNO 2 is unclear and possible reactions are discussed.
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James N. Pitts, Daniel Grosjean, K. Van Cauwenberghe et al. · Environmental Science & Technology · 1978 · 248 citations