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电子废物拆解区农业土壤中PCNs的污染水平、分布特征与来源解析
Level,Distribution,and Source Identification of Polychlorinated Naphthalenes in Surface Agricultural Soils from an Electronic Waste Recycling Area

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王学彤 1   贾金盼 1   李元成 1   孙阳昭 2   吴明红 1   盛国英 3   傅家谟 3  
文摘 用GC-NCI-MS法测定了路桥农业表层土壤中46种多氯萘(PCNs)的含量.目的是了解该地区表层土壤中PCNs的污染水平、空间分布特征和来源.结果表明,所有表层土壤样品中ΣPCNs的含量为0.062~2.92 ng.g~(-1),平均值为0.630 ng.g~(-1).多数样品中tetra-CNs和penta-CNs是最主要的同族体,分别占18.4%~88.8%(平均值为46.7%)和8.40%~53.1%(平均值为30.7%),其次是tri-CNs,范围为0~47.3%,平均值为10.6%.聚类分析和燃烧指示物分析表明,采样点主要受Halowax1014和Halowax 1013工业品污染,PCBs工业品和电子废物燃烧也可能对污染有贡献.与国内外其它研究相比,研究区域内土壤中PCNs污染处于中等水平.
其他语种文摘 The concentration of 46 polychlorinated naphthalenes(PCNs) in the agricultural soils from Luqiao was analyzed by GC-NCI-MS.The objectives of this study were to investigate the contents,spatial distribution and sources of PCNs.The total concentrations of PCNs(PCNs) in soil samples were in the range of 0.062 to 2.92 ng·g~(-1),with a mean of 0.630 ng·g~(-1).Tetra-CNs and penta-CNs were the predominant homologues in most of the samples,accounting for 18.4%-88.8% and 8.40%-53.1%,with average values of 46.7% and 30.7%,respectively,followed by tri-CNs,accounting for 0-47.3%,with a mean of 10.6%.Cluster analysis and combustion marker analysis showed that the sampling sites were mainly polluted by Halowax 1014 and Halowax 1013,also possibly polluted by PCBs mixtures and e-waste combustion process.Compared to other studies,the PCNs concentration in this study was at a medium level.
来源 环境科学 ,2012,33(1):247-252 【核心库】
关键词 电子废物 ; 土壤 ; 多氯萘 ; 含量 ; 分布 ; 来源
地址

1. 上海大学环境与化学工程学院环境污染与健康研究所, 上海, 200444  

2. 中华人民共和国环境保护部, 北京, 100035  

3. 上海大学环境与化学工程学院环境污染与健康研究所, 有机地球化学国家重点实验室, 上海, 200444

语种 中文
文献类型 研究性论文
ISSN 0250-3301
学科 环境科学基础理论
基金 国家自然科学基金重点项目 ;  上海市重点学科建设项目
文献收藏号 CSCD:4432580

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引证文献 4

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2 郭志顺 土壤和沉积物中多氯萘的GC-MS/MS测定法 环境科学与技术,2015,38(2):115-119
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