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环形扩散管采集环境空气中气态多环芳烃的方法

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康晓伟, 张逸, 张晓山, 李玉平. 环形扩散管采集环境空气中气态多环芳烃的方法[J]. 环境化学, 2007, 26(2): 236-240.
引用本文: 康晓伟, 张逸, 张晓山, 李玉平. 环形扩散管采集环境空气中气态多环芳烃的方法[J]. 环境化学, 2007, 26(2): 236-240.
shu
KANG Xiao-wei, ZHANG Yi, ZHANG Xiao-shan, LI Yu-pin. NNULAR DENUDER METHOD FOR SAMPLING AIRBORNE GASPHASE POLYCYCLIC AROMATIC HYDROCARBONS[J]. Environmental Chemistry, 2007, 26(2): 236-240.
Citation: KANG Xiao-wei, ZHANG Yi, ZHANG Xiao-shan, LI Yu-pin. NNULAR DENUDER METHOD FOR SAMPLING AIRBORNE GASPHASE POLYCYCLIC AROMATIC HYDROCARBONS[J]. Environmental Chemistry, 2007, 26(2): 236-240.
shu

环形扩散管采集环境空气中气态多环芳烃的方法

  • 1.

    中国科学院生态环境研究中心, 北京, 100085;

  • 2.

    北京理工大学, 北京, 100081

  • 基金项目:

    国家973资助项目(2003CB415003)

NNULAR DENUDER METHOD FOR SAMPLING AIRBORNE GASPHASE POLYCYCLIC AROMATIC HYDROCARBONS

  • 1.

    Research Center for EcoEnvironmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China;

  • 2.

    Beijing Institute of Technology, Beijing, 100081, China

  • Fund Project:

  • 摘要: 建立了环形扩散管采集环境空气中气态多环芳烃的方法,采用平行实验分别比较了不同涂渍介质和不同吸附树脂对采样效率的影响.结果表明,利用正己烷作为涂渍介质、以XAD-2吸附树脂作为吸附剂涂渍的环形扩散管在二级串联使用的情况下,目标化合物的采样效率在92.21%—99.14%之间,采样效率的相对标准偏差在0.18%-2.2%之间,采样效率高且稳定,可满足不同环境下采样的要求.在采样体积为13.7m3的情况下,多环芳烃的检出限为2.06ng·m-3.利用该方法对北京市城区环境空气中气态多环芳烃的浓度进行了测定,春季和夏季气态多环芳烃的总浓度在498.·29-1054.66ng·m-3之间,其中二环和三环的芳烃占优势,有一定量的四环芳烃,但高环数芳烃基本无检出.
    Abstract: The gas phase polycyclic aromatic hydrocarbons(PAHs)were trapped using annular denuder coated with XAD-2 resin that was applied from a hexane slurry. The effect of different reagents and XAD resins on PAHs collection efficiency was discussed through parallel experiments. Data showed the collection efficiency was above 96% and relative standard deviation less than 2.2%. The limits of detection of ∑PAHs was 2.06 ng·m-3 when sampling volume up to 13.7m3. The gas phase PAHs in air sampled in downtown Beijing were determined.Results showed total PAHs concentration ranged from 498.29 to 1054.66 ng·m-3 during spring and autumn. In total gaseous PAHs contents, the most abundant compunds were 2-and 3-ring PAHs, and some 4-ring PAHs were also detected. Congeners with more than high rings were not detected.
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  • [1] 张逸,陈永桥,张晓山等,北京市不同区域采暖期大气颗粒物中多环芳烃的分布特征.环境化学,2004,23(6):681-685
    [2] Lentzen D E,Wagoner D E,Ester E D et al.,IERLRTP Procedures Manual:Level 1 Environmental Assessment,2nd ed.EPA Report No.600/7-78-201,1978
    [3] 朗畅,刘娅囡,吴水平等,北京大学非采暖期室内空气中的气态多环芳烃.环境科学学报,2004,24(4):655-660
    [4] Possanzini M,Palo V D,Gigliucci P et al.,Determination of Phase-Distributed PAH in Rome Ambient Air by Denuder/GC-MS Method.Atmospheric Environment,2004,38:1727-1734
    [5] Gundel L A,Lee V C,Kariawasam R P M et al.,Direct Determination of the Phase Distributions of Semi-volatile Polycyclic Aromatic Hydrocarbons Using Annular Denuders.Atmospheric Environment,1995,29:1719-1733
    [6] Peters A J,Lane D A,Gundel L A et al.,A Comparison of High Volume and Diffusion Denuder Samplers for Measuring Semivolatile Organic Compounds in the Atmosphere.Environmental Science and Technology,2000,34:5001-5006
    [7] Kaupp H,Umlauf G,Atmospheric Gas-Particle Partitioning of Organic Compounds:Comparison of Sampling Methods.Atmospheric Environment,1992,26:2259-2267
    [8] 曾凡刚,王关玉,田健平,北京市部分地区大气气溶胶中多环芳烃污染特征及污染源探讨.环境科学学报,2002,22(3):284-288
    [9] 黄业茹,狄一安,施钧慧等,北京、东京、筑波大气中有机污染物组成研究.环境科学研究,2001,14(1):4-8
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  • 收稿日期:  2006-02-24
康晓伟, 张逸, 张晓山, 李玉平. 环形扩散管采集环境空气中气态多环芳烃的方法[J]. 环境化学, 2007, 26(2): 236-240.
引用本文: 康晓伟, 张逸, 张晓山, 李玉平. 环形扩散管采集环境空气中气态多环芳烃的方法[J]. 环境化学, 2007, 26(2): 236-240.
shu
KANG Xiao-wei, ZHANG Yi, ZHANG Xiao-shan, LI Yu-pin. NNULAR DENUDER METHOD FOR SAMPLING AIRBORNE GASPHASE POLYCYCLIC AROMATIC HYDROCARBONS[J]. Environmental Chemistry, 2007, 26(2): 236-240.
Citation: KANG Xiao-wei, ZHANG Yi, ZHANG Xiao-shan, LI Yu-pin. NNULAR DENUDER METHOD FOR SAMPLING AIRBORNE GASPHASE POLYCYCLIC AROMATIC HYDROCARBONS[J]. Environmental Chemistry, 2007, 26(2): 236-240.
shu

环形扩散管采集环境空气中气态多环芳烃的方法

  • 1.  中国科学院生态环境研究中心, 北京, 100085;
  • 2.  北京理工大学, 北京, 100081
  • 收稿日期:  2006-02-24
基金项目:

国家973资助项目(2003CB415003)

摘要: 建立了环形扩散管采集环境空气中气态多环芳烃的方法,采用平行实验分别比较了不同涂渍介质和不同吸附树脂对采样效率的影响.结果表明,利用正己烷作为涂渍介质、以XAD-2吸附树脂作为吸附剂涂渍的环形扩散管在二级串联使用的情况下,目标化合物的采样效率在92.21%—99.14%之间,采样效率的相对标准偏差在0.18%-2.2%之间,采样效率高且稳定,可满足不同环境下采样的要求.在采样体积为13.7m3的情况下,多环芳烃的检出限为2.06ng·m-3.利用该方法对北京市城区环境空气中气态多环芳烃的浓度进行了测定,春季和夏季气态多环芳烃的总浓度在498.·29-1054.66ng·m-3之间,其中二环和三环的芳烃占优势,有一定量的四环芳烃,但高环数芳烃基本无检出.

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