Issue Date: September 10, 2012
Late-Night Nitrates Produce Aerosols
Nitrate radical chemistry taking place during the wee hours can drive atmospheric aerosol formation, according to a report published in Science (DOI: 10.1126/science.1221520). So-called secondary organic aerosols that form in the atmosphere when oxidized organic compounds condense can affect air quality, weather, and climate. Laboratory experiments previously predicted that the chemistry of nitrogen oxides, which produce nitrate radicals, would affect secondary aerosol formation. But the effect had not been observed in nature. A . . .
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