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Measurement and Analysis of the Relationship between Ammonia, Acid Gases, and Fine Particles in Eastern North
 

Summary: Measurement and Analysis of the Relationship between
Ammonia, Acid Gases, and Fine Particles in Eastern North
Carolina
Bok Haeng Baek and Viney P. Aneja
Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University,
Raleigh, North Carolina
ABSTRACT
An annular denuder system, which consisted of a cyclone
separator; two diffusion denuders coated with sodium
carbonate and citric acid, respectively; and a filter pack
consisting of Teflon and nylon filters in series, was used to
measure acid gases, ammonia (NH3), and fine particles in
the atmosphere from April 1998 to March 1999 in eastern
North Carolina (i.e., an NH3-rich environment). The so-
dium carbonate denuders yielded average acid gas con-
centrations of 0.23 g/m3
hydrochloric acid (standard
deviation [SD] 0.2 g/m3
); 1.14 g/m3
nitric acid (SD

  

Source: Aneja, Viney P. - Department of Marine, Earth and Atmospheric Sciences, North Carolina State University

 

Collections: Environmental Sciences and Ecology; Geosciences