| 广州地区秋冬季细颗粒物PM_(2.5)化学组分分析 |
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| 引用本文： | 王少毅,曾燕君,琚鸿,王新明.广州地区秋冬季细颗粒物PM_(2.5)化学组分分析[J].广州环境科学,2011(2). |
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| 作者姓名： | 王少毅 曾燕君 琚鸿 王新明 |
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| 作者单位： | 广州市环境监测中心中心站;中科院广州地球化学研究所; |
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| 摘 要： | 本文对广州地区2009~2010年秋冬季节大气中PM2.5进行采样,并分析PM2.5样品的水溶性离子、重金属元素、有机碳/元素碳(OC/EC)、有机酸、多环芳烃浓度和粒径分布。通过分析初步掌握了广州地区秋冬季节大气中PM2.5的化学组分和特点:广州地区秋冬季PM2.5呈现城区高于城郊,PM2.5中有机质(OM)是最主要的成分,其次是硫酸根离子、硝酸根离子和铵根;PM2.5中有机碳和元素碳的空间分布特征相似,并受一次源排放影响;PM2.5中铝、锌、铅是含量最高的重金属,且城区重金属浓度高于城郊;PM2.5中17种多环芳烃、苯并a芘(BaP)均为城郊浓度最高。
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| 关 键 词： | 细颗粒物 化学组分 秋冬季节 广州地区 |
Analysis of Chemical Composition of PM_(2.5) in the Autumn and Winter in Guangzhou |
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| Wang Shaoyi Zeng Y anjun Ju Hong W ang Xinming.Analysis of Chemical Composition of PM_(2.5) in the Autumn and Winter in Guangzhou[J].Guangzhou Environmental Sciences,2011(2). |
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| Authors: | Wang Shaoyi Zeng Y anjun Ju Hong W ang Xinming |
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| Institution: | Wang Shaoyi Zeng Y anjun Ju Hong W ang Xinming |
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| Abstract: | The chemical composition and characteristics of PM2.5 in the autumn and winter in Guangzhou were analyzed from 2009 to 2010, including water-soluble ions, heavy metal, OC/EC, organic acid, polycyclic aromatic hydrocarbon, in order to understand the nature of haze in chemical composition of its particles. |
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| Keywords: | fine particles chemical composition autumn and winter guangzhou |
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