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环境化学  2015 

广州市大气颗粒物样品中二噁英的测定

Keywords: 大气,颗粒物,二噁英,广州

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Abstract:

参照美国环保总局(USEPA)标准方法,应用高分辨率气相色谱-高分辨率质谱仪对广州市大气颗粒物中的二噁英进行分析和检测.结果表明,广州市大气总悬浮颗粒中二噁英的浓度较高.由于受工业活动的影响,广州市荔湾区二噁英的浓度最高,其平均浓度(毒性当量值)为12777fg·m-3(430.5fgⅠ-TEQ·m-3).

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