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Measurement of aerosol effective density by single particle mass spectrometry
Zhang GuoHua; Bi XinHui; Han BingXue; Qiu Ning; Dai ShouHui; Wang XinMing; Sheng GuoYing; Fu JiaMo; Bi, XH (reprint author), Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China.
2016
发表期刊SCIENCE CHINA-EARTH SCIENCES
卷号59期号:2页码:320-327
摘要Single particle mass spectrometry has been widely used to determine the size and chemical compositions of atmospheric aerosols; however, it is still rarely used for the microphysical properties measurement. In this study, two methods were developed for determining aerosol effective density by a single particle aerosol mass spectrometer (SPAMS). Method I retrieved effective density through comparison between measured light scattering intensities and Mie theoretical modelled partial scattering cross section. Method II coupled a differential mobility analyzer (DMA) with SPAMS to simultaneously determine the electric mobility and vacuum aerodynamic diameter, and thus the effective density. Polystyrene latex spheres, ammonium sulfate and sodium nitrate were tested by these methods to help validate their effectiveness for determining the aerosol effective density. This study effectively extends SPAMS measurements to include particle size, chemical composition, light scattering, and effective density, and thus helps us better understand the environment and climate effects of aerosols.
部门归属[Zhang GuoHua; Bi XinHui; Han BingXue; Wang XinMing; Sheng GuoYing; Fu JiaMo] Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China; [Han BingXue; Dai ShouHui] Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China; [Qiu Ning] Chinese Acad Sci, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China ; 边缘海地质
关键词Effective Density Single Particle Spams Mie Theory Dma
学科领域Geology
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15596
专题中科院边缘海地质重点实验室
通讯作者Bi, XH (reprint author), Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China.
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GB/T 7714
Zhang GuoHua,Bi XinHui,Han BingXue,et al. Measurement of aerosol effective density by single particle mass spectrometry[J]. SCIENCE CHINA-EARTH SCIENCES,2016,59(2):320-327.
APA Zhang GuoHua.,Bi XinHui.,Han BingXue.,Qiu Ning.,Dai ShouHui.,...&Bi, XH .(2016).Measurement of aerosol effective density by single particle mass spectrometry.SCIENCE CHINA-EARTH SCIENCES,59(2),320-327.
MLA Zhang GuoHua,et al."Measurement of aerosol effective density by single particle mass spectrometry".SCIENCE CHINA-EARTH SCIENCES 59.2(2016):320-327.
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