Physics
Scientific paper
Jul 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29n..26z&link_type=abstract
Geophysical Research Letters, Volume 29, Issue 14, pp. 26-1, CiteID 1681, DOI 10.1029/2002GL015080
Physics
17
Atmospheric Composition And Structure: Chemical Kinetic And Photochemical Properties, Atmospheric Composition And Structure: Constituent Sources And Sinks, Atmospheric Composition And Structure: Troposphere-Composition And Chemistry, Atmospheric Composition And Structure: Troposphere-Constituent Transport And Chemistry, Atmospheric Composition And Structure: Instruments And Techniques
Scientific paper
Significant production of HONO was observed on glass sample manifold wall surface when exposed to sunlight during the PROPHET 2000 summer measurement intensive. It is hypothesized that the artifact HONO was produced by photolysis of adsorbed nitric acid/nitrate on the manifold wall surfaces followed by the subsequent reaction of produced NO2 and adsorbed H2O on surface. This observation suggests against the use of an unshielded glass manifold as a sampling inlet for the measurement of atmospheric HONO. It may also have some implications in interpreting field NOx data measured using similar glass inlet manifolds, especially from the clean remote environments where NOx is low and HNO3 is a major fraction of NOy.
Bertman Steven B.
Carroll Mary Anne
He Yi
Huang Gu
Thornberry Troy D.
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