Measurements of H 2 O 2  and HNO 3 in rural air | Zendy

Kelly Thomas J. | Zendy; Stedman Donald H. | Zendy; Kok Gregory L. | Zendy

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Measurements of H 2 O 2 and HNO 3 in rural air

Author(s) -

Kelly Thomas J.,

Stedman Donald H.,

Kok Gregory L.

Publication year - 1979

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/gl006i005p00375

Subject(s) - nitric acid , quartz , hydrogen peroxide , analytical chemistry (journal) , parts per notation , chemiluminescence , mineralogy , chemistry , materials science , environmental chemistry , inorganic chemistry , chromatography , metallurgy , organic chemistry

In a preliminary study of two new analytical techniques, we have measured hydrogen peroxide (H 2 O 2 ) and nitric acid (HNO 3 ) near ground level at a rural site near Boulder, Colorado during February, 1978. H 2 O 2 was measured with a liquid‐phase chemiluminescence technique. HNO 3 in a sample air stream was converted to NO 2 in a packed quartz tube at 350°C, and detected with a fast response NO x monitor. O 3 , CO, NO, and NO 2 were also measured simultaneously. H 2 O 2 was found between 0.3 and 3 ppb. HNO 3 concentrations as high as 5 ppb were found with NO x always greater than HNO 3 by at least a factor of 5.

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