| 鼎湖山PM2.5中化学元素的组成及浓度特征和来源 |
| 摘要点击 3808 全文点击 1752 投稿时间：2008-04-26 修订日期：2008-07-04 |
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| 中文关键词 颗粒物 元素 因子分析 |
| 英文关键词 particles element factor analysis |
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| 中文摘要 |
| 为研究珠江三角洲大气颗粒物的污染特征及其来源,于2006年6～12月,在鼎湖山利用大流量颗粒物采样仪进行PM2.5样品的采集，并利用ICP-MS分析其中的元素浓度.结果表明, Pb、V、Cu、As、Zn、Se元素平均浓度为216.24、 15.40、 60.56、 31.81、 432.06和8.12 ng·m-3,处于高污染浓度水平.因子分析表明,化石燃料的燃烧、金属冶炼工业、扬尘和海盐是该地区PM2.5的主要来源. |
| 英文摘要 |
| To study the characteristics and sources of particles in Pearl River Delta Region, samples of PM2.5 were collected by high volume sampler, and elements of the samples were determined by ICP-MS. The results showed that concentrations of Pb, V, Cu, As, Zn and Se were 216.24, 15.40, 60.56, 31.81, 432.06 and 8.12 ng·m-3 respectively, those were in high level. Factor analysis on the chemical composition of PM2.5 showed that fuel combustion, metal-working industry, ash and sea salt were the main sources of PM2.5 in this region. |
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