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Fine particulate matter (PM 2.5 ) samples were collected over two years in Xi’an, China to investigate the relationships between the aerosol composition and the light absorption efficiency of black carbon (BC). Real-time light attenuation of BC at 880nm was measured with an aethalometer. The mass concentrations and elemental carbon (EC) contents of PM 2.5 were obtained, and light attenuation...
The objective of this study was to characterize the elemental carbon and organic carbon (EC and OC, respectively) content of aerosol particles (PM 2.5 ) collected at Tongliao, a site in the Horqin Sandland of northeastern China. During spring 2005, the PM 2.5 mass concentration was 126±71 μg·m −3 , with higher dust concentrations during five dust storms than on non-dusty days...
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