Brown Carbon Production in Ammonium- or Amine-Containing Aerosol Particles by Reactive Uptake of Methylglyoxal and Photolytic Cloud Cycling

The effects of methylglyoxal uptake on the physical and optical properties of aerosol containing amines or ammonium sulfate were determined before and after cloud processing in a temperature- and RH-controlled chamber. The formation of brown carbon was observed upon methylglyoxal addition, detected...

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Veröffentlicht in:	Environmental science & technology 2017-07, Vol.51 (13), p.7458-7466
Hauptverfasser:	De Haan, David O, Hawkins, Lelia N, Welsh, Hannah G, Pednekar, Raunak, Casar, Jason R, Pennington, Elyse A, de Loera, Alexia, Jimenez, Natalie G, Symons, Michael A, Zauscher, Melanie, Pajunoja, Aki, Caponi, Lorenzo, Cazaunau, Mathieu, Formenti, Paola, Gratien, Aline, Pangui, Edouard, Doussin, Jean-François
Format:	Artikel
Sprache:	eng
Schlagworte:	Activation energy Aerosols Albedo Amines Ammonia Ammonium Ammonium Compounds Ammonium sulfate Browning Carbon Chemical Sciences Clouds Experiments Glycine Methylamine Optical properties Organic carbon Organic chemicals Particulates Pyruvaldehyde Refractivity Scattering Sciences of the Universe Seeds Sulfates Temperature effects
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