Issue Date: April 21, 2014
Atmospheric Nitrous Acid Chemistry Questioned
Much of the hydroxyl radical available in the atmosphere to react with and remove pollutants may not come from nitrous acid as generally believed, according to studies of air above Italy (Science 2014, DOI: 10.1126/science.1248999). HONO is commonly thought to enter the atmosphere primarily through direct emission from combustion or from reactions on snow, soils, and leaves. HONO then photolyzes to hydroxyl . . .
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