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不同粒径大气颗粒物中有机碳(OC)和元素碳(EC)的分布

唐小玲 毕新慧 陈颖军 盛国英 傅家谟

唐小玲, 毕新慧, 陈颖军, 盛国英, 傅家谟. 不同粒径大气颗粒物中有机碳(OC)和元素碳(EC)的分布[J]. 环境科学研究, 2006, 19(1): 104-108.
引用本文: 唐小玲, 毕新慧, 陈颖军, 盛国英, 傅家谟. 不同粒径大气颗粒物中有机碳(OC)和元素碳(EC)的分布[J]. 环境科学研究, 2006, 19(1): 104-108.
TANG Xiao-ling, BI Xin-hui, CHEN Ying-jun, SHENG Guo-ying, FU Jia-mo. Study on the Size Distribution of Organic Carbon (OC) and Elemental Carbon (EC) in the Aerosol[J]. Research of Environmental Sciences, 2006, 19(1): 104-108.
Citation: TANG Xiao-ling, BI Xin-hui, CHEN Ying-jun, SHENG Guo-ying, FU Jia-mo. Study on the Size Distribution of Organic Carbon (OC) and Elemental Carbon (EC) in the Aerosol[J]. Research of Environmental Sciences, 2006, 19(1): 104-108.

不同粒径大气颗粒物中有机碳(OC)和元素碳(EC)的分布

基金项目: 中科院知识创新工程项目(KZCX3-SW-121);国家自然科学基金资助项目(40343006)

Study on the Size Distribution of Organic Carbon (OC) and Elemental Carbon (EC) in the Aerosol

  • 摘要: 使用Andersen六段分级大流量采样器(粒径:7.2~10,3.0~7.2,1.5~3.0,0.95~1.5,0.49~0.95,<0.49μm)采集了广州市荔湾区冬季的大气颗粒物样品,并用美国Sunset碳分析仪分析了其中的有机碳(OC)和元素碳(EC)组分.研究表明:OC和EC主要存在于细粒子中,与OC相比,EC则相对更集中于<0.49 μm粒径上;PM10中二次有机碳占总有机碳(ρ(OCsec)/ρ(OC.))比例的平均值为卵%,OC,EC的对数模型图都为双峰型.对ρ(OCtot),ρ(OCpri)(一次有机碳质量浓度)与ρ(EC)进行相关性分析,结果表明,只用ρ(OC)/ρ(EC)值来评价二次污染是不充分的.

     

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出版历程
  • 收稿日期:  2005-01-27
  • 修回日期:  2006-01-30
  • 刊出日期:  2006-02-25

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