Articles | Volume 18, issue 12
Atmos. Chem. Phys., 18, 9147–9159, 2018

Special issue: Multiphase chemistry of secondary aerosol formation under...

Atmos. Chem. Phys., 18, 9147–9159, 2018

Research article 29 Jun 2018

Research article | 29 Jun 2018

Characteristics and mixing state of amine-containing particles at a rural site in the Pearl River Delta, China

Chunlei Cheng et al.

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Cited articles

Angelino, S., Suess, D. T., and Prather, K. A.: Formation of aerosol particles from reactions of secondary and tertiary alkylamines: Characterization by aerosol time-of-flight mass spectrometry, Environ. Sci. Technol., 35, 3130–3138,, 2001. 
Berndt, T., Stratmann, F., Sipilä, M., Vanhanen, J., Petäjä, T., Mikkilä, J., Grüner, A., Spindler, G., Lee Mauldin III, R., Curtius, J., Kulmala, M., and Heintzenberg, J.: Laboratory study on new particle formation from the reaction OH + SO2: influence of experimental conditions, H2O vapour, NH3 and the amine tert-butylamine on the overall process, Atmos. Chem. Phys., 10, 7101–7116,, 2010. 
Bzdek, B. R., Ridge, D. P., and Johnston, M. V.: Amine exchange into ammonium bisulfate and ammonium nitrate nuclei, Atmos. Chem. Phys., 10, 3495–3503,, 2010. 
Cadle, S. H. and Mulawa, P. A.: Low-molecular-weight aliphatic amines in exhaust from catalyst-equipped cars, Environ. Sci. Technol., 14, 718–723, 1980. 
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Short summary
Particulate amines play an important role for the particle acidity and hygroscopicity. We found amines were internally mixed with sulfate and nitrate at a rural site in the PRD, China, suggesting the formation of aminium sulfate and nitrate salts. The ammonium-poor state of amine particles in summer was associated with the low emission sources of ammonia and a possible contribution of ammonium–amine exchange reactions. Amines could be a buffer for the particle acidity of ammonium-poor particles.
Final-revised paper