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北京市大气气溶胶中金属元素的粒径分布和垂直分布

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徐宏辉, 王跃思, 温天雪, 何新星. 北京市大气气溶胶中金属元素的粒径分布和垂直分布[J]. 环境化学, 2007, 26(5): 675-679.
引用本文: 徐宏辉, 王跃思, 温天雪, 何新星. 北京市大气气溶胶中金属元素的粒径分布和垂直分布[J]. 环境化学, 2007, 26(5): 675-679.
shu
XU Hong-hui, WANG Yue-si, WEN Tian-xue, HE Xin-xing. SIZE DISTRIBUTIONS AND VERTICAL DISTRIBUTIONS OF METAL ELEMENTS OF ATMOSPHERIC AEROSOL IN BEIJING[J]. Environmental Chemistry, 2007, 26(5): 675-679.
Citation: XU Hong-hui, WANG Yue-si, WEN Tian-xue, HE Xin-xing. SIZE DISTRIBUTIONS AND VERTICAL DISTRIBUTIONS OF METAL ELEMENTS OF ATMOSPHERIC AEROSOL IN BEIJING[J]. Environmental Chemistry, 2007, 26(5): 675-679.
shu

北京市大气气溶胶中金属元素的粒径分布和垂直分布

  • 1.

    中国科学院大气物理研究所, 北京, 100029

  • 基金项目:

    国家杰出青年基金项目(40525016)

    国家重点基础研究发展计划(2007CB407303)

    国家高技术研究发展计划(2006AA06A301)

SIZE DISTRIBUTIONS AND VERTICAL DISTRIBUTIONS OF METAL ELEMENTS OF ATMOSPHERIC AEROSOL IN BEIJING

  • 1.

    Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029, China

  • Fund Project:

  • 摘要: 于2004年9月分别在北京325m气象塔的8m,80m和240m处利用Andersen分级采样器同步进行了大气气溶胶采样.样品中金属元素用电感耦合等离子体/质谱仪(ICP/MS)进行了分析.结果表明,Ca,Fe,Al,Mg,Ba,Sr和Zr在3.3—5.8μm的粒径范围出现峰值,K,Pb,As和Cd在0.65—1.1μm的粒径范围出现峰值,Zn,Sn,Cu和Ni在0.65—1.1μm和3.3—5.8μm的粒径范围出现双峰;Na,Mn,V在各粒径分布比较均匀.Al,Ca,Fe和Mg等地壳元素的浓度在80m处达到最大值,K,Pb和As等污染源排放的元素的浓度垂直分布比较均匀.
    Abstract: In order to research on the vertical distribution of atmospheric aerosol, the samples were collected simultaneously with cascade sampler at 8m,80m, 240m of Beijing 325m meteorological tower during September 2004. Metal element concentrations of different size particles were analyzed by ICP/MS. The results indicate that there are four types size distribution: (1)Metals whose mass resided mainly within coarse particles with the peak at 3.3—5.8 m included Ca, Fe, Al, Mg, Ba, Sr and Zr. (2) Metals whose mass resided mainly within the accumulation mode with the peak at 0.65—1.1 m included K, Pb, As, Cd. (3) Metals whose mass resided mainly within the two modes with the peaks at 0.65—1.1 m and 3.3—5.8 m included Zn, Sn, Cu, Ni. (4) metals which were distributed between fine, intermediate and coarse modes included Na,Mn and V. The metal elements with the coarse mode have the concentration peak at 80m and the metal elements with the fine mode have uniformly vertical distribution.
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  • 收稿日期:  2006-10-30
徐宏辉, 王跃思, 温天雪, 何新星. 北京市大气气溶胶中金属元素的粒径分布和垂直分布[J]. 环境化学, 2007, 26(5): 675-679.
引用本文: 徐宏辉, 王跃思, 温天雪, 何新星. 北京市大气气溶胶中金属元素的粒径分布和垂直分布[J]. 环境化学, 2007, 26(5): 675-679.
shu
XU Hong-hui, WANG Yue-si, WEN Tian-xue, HE Xin-xing. SIZE DISTRIBUTIONS AND VERTICAL DISTRIBUTIONS OF METAL ELEMENTS OF ATMOSPHERIC AEROSOL IN BEIJING[J]. Environmental Chemistry, 2007, 26(5): 675-679.
Citation: XU Hong-hui, WANG Yue-si, WEN Tian-xue, HE Xin-xing. SIZE DISTRIBUTIONS AND VERTICAL DISTRIBUTIONS OF METAL ELEMENTS OF ATMOSPHERIC AEROSOL IN BEIJING[J]. Environmental Chemistry, 2007, 26(5): 675-679.
shu

北京市大气气溶胶中金属元素的粒径分布和垂直分布

  • 1. 中国科学院大气物理研究所, 北京, 100029
  • 收稿日期:  2006-10-30
基金项目:

国家杰出青年基金项目(40525016)

国家重点基础研究发展计划(2007CB407303)

国家高技术研究发展计划(2006AA06A301)

摘要: 于2004年9月分别在北京325m气象塔的8m,80m和240m处利用Andersen分级采样器同步进行了大气气溶胶采样.样品中金属元素用电感耦合等离子体/质谱仪(ICP/MS)进行了分析.结果表明,Ca,Fe,Al,Mg,Ba,Sr和Zr在3.3—5.8μm的粒径范围出现峰值,K,Pb,As和Cd在0.65—1.1μm的粒径范围出现峰值,Zn,Sn,Cu和Ni在0.65—1.1μm和3.3—5.8μm的粒径范围出现双峰;Na,Mn,V在各粒径分布比较均匀.Al,Ca,Fe和Mg等地壳元素的浓度在80m处达到最大值,K,Pb和As等污染源排放的元素的浓度垂直分布比较均匀.

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