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
查看参考文献26篇
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文摘
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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. |
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其他语种文摘
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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. |
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来源
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环境科学
,2012,33(1):247-252 【核心库】
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关键词
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电子废物
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土壤
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多氯萘
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含量
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分布
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来源
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地址
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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
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中华人民共和国环境保护部, 北京, 100035
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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
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0250-3301 |
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学科
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环境科学基础理论 |
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基金
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国家自然科学基金重点项目
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上海市重点学科建设项目
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文献收藏号
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CSCD:4432580
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