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Characteristics and transformation of nitrous acid (HONO) and particulate nitrite were investigated with high time-resolution field measurements at an urban site in Ji'nan, China from Nov. 2013 to Jan. 2014. During the sampling period, averages of 0.35ppbv HONO and 2.08μgm−3 fine particulate nitrite were observed. HONO and particulate nitrite exhibited similar diurnal variation patterns but differed...
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