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.
To study the characteristics and sources of particles in Pearl River Delta Region, samples of PM2.5 were coUected 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.
出处
《环境科学》
EI
CAS
CSCD
北大核心
2009年第4期988-992,共5页
Environmental Science
基金
国家重点基础研究发展规划(973)项目(2007CB407303,2006CB403701)
国家高技术研究发展计划(863)项目(2006AA06A301)
国家杰出青年科学基金项目(40525016)
关键词
颗粒物
元素
因子分析
particles
element
factor analysis
