Articles | Volume 17, issue 12
https://doi.org/10.5194/acp-17-7481-2017
https://doi.org/10.5194/acp-17-7481-2017
Research article
 | 
21 Jun 2017
Research article |  | 21 Jun 2017

Size-resolved chemical composition, effective density, and optical properties of biomass burning particles

Jinghao Zhai, Xiaohui Lu, Ling Li, Qi Zhang, Ci Zhang, Hong Chen, Xin Yang, and Jianmin Chen

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Cited articles

Adachi, K. and Buseck, P. R.: Atmospheric tar balls from biomass burning in Mexico, J. Geophys. Res.-Atmos., 116, D05204, https://doi.org/10.1029/2010jd015102, 2011.
Allen, M. D. and Raabe, O. G.: Slip correction measurements of spheical solid aerosol-particles in an improved millikan apparatus, Aerosol Sci. Technol., 4, 269–286, https://doi.org/10.1080/02786828508959055, 1985.
Andreae, M. O. and Merlet, P.: Emission of trace gases and aerosols from biomass burning, Global Biogeochem. Cy., 15, 955–966, https://doi.org/10.1029/2000gb001382, 2001.
Audebrand, N., Auffredic, J. P., and Louer, D.: Thermal decomposition of cerous ammonium nitrate tetrahydrate studied with temperature-dependent X-ray powder diffraction and thermal analysis, Thermochim. Acta, 293, 65–76, https://doi.org/10.1016/s0040-6031(97)00064-6, 1997.
Barone, T. L., Lall, A. A., Storey, J. M. E., Mulholland, G. W., Prikhodko, V. Y., Frankland, J. H., Parks, J. E., and Zachariah, M. R.: Size-resolved density measurements of particle emissions from an advanced combustion diesel engine: effect of aggregate morphology, Energ. Fuel., 25, 1978–1988, https://doi.org/10.1021/ef200084k, 2011.
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Short summary
The effective density, chemical composition, and optical properties of particles produced by burning rice straw were measured. Density distribution and single-particle mass spectrometry showed the size-dependent external mixing of black carbon, organic carbon, and potassium salts in biomass burning particles. Optical measurements indicated the significant presence of brown carbon in all particles. Though freshly emitted, light absorption enhancement was observed for particles larger than 200 nm.
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