| 广州市大气细颗粒物及微量元素的分析 |
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| 引用本文： | 冯茜丹,明彩兵,刘晖,周康群. 广州市大气细颗粒物及微量元素的分析[J]. 广东化工, 2011, 0(8): 239-240,242 |
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| 作者姓名： | 冯茜丹 明彩兵 刘晖 周康群 |
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| 作者单位： | 仲恺农业工程学院环境科学与工程学院; |
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| 基金项目： | 仲恺农业工程学院科研基金项目(G3100033) |
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| 摘 要： | 在广州市区采集大气细颗粒物PM2．5样品，对PM2．5及其中12种微量元素进行分析。研究结果显示采样期间广州市大气PM25的平均浓度为113．3μg／m3，远远超过了美国EPA制定的PM25日均浓度限值（35μg／m3）。与国内外其它大城市相比，PM2．5中微量元素的浓度处于较高水平，其中重金属元素Cd、Pb、Zn、Cu、As、Ni、M0、Mn、Cr和Co的富集因子EF远远大于1，主要来源于人为污染·
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| 关 键 词： | PM2.5 微量元素 重金属 污染特征：富集因子 |
Analysis of Fine Particle and Trace Metals in the Air of Guangzhou City |
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| Feng Xidan,Ming Caibing,Liu Hui,Zhou Kangqun. Analysis of Fine Particle and Trace Metals in the Air of Guangzhou City[J]. Guangdong Chemical Industry, 2011, 0(8): 239-240,242 |
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| Authors: | Feng Xidan Ming Caibing Liu Hui Zhou Kangqun |
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| Affiliation: | Feng Xidan,Ming Caibing,Liu Hui,Zhou Kangqun(College of Environmental Science and Engineering,Zhongkai University of Agriculture and Engineering,Guangzhou 510225,China) |
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| Abstract: | PM2.5 samples were collected to study the pollution characterization of PM2.5 and 12 trace metals from the urban air of Guangzhou city.Results showed that the mass concentrations of PM2.5 in Guangzhou city were very high,with average concentration of 113.3 μg/m3.All the concentrations were far exceeded the limited daily average concentration established by US-EPA(35 μg/m3).The concentration of PM2.5-bound trace metals in Guangzhou city were relatively higher when compared with other big cities around the world.The enrichment factor values(EF) of 11 trace metals were all higher than 1,suggesting that PM2.5-bound trace metals in Guangzhou city were mainly from human activities. |
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| Keywords: | PM2.5 trace metal heavy metal pollution characterization enrichment factor |
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