电子废物拆解区农业土壤中多溴二苯醚的分布与来源
Distribution and possible sources of PBDEs in agricultural soils from an electronic waste recycling area
查看参考文献15篇
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文摘
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用GC-NCI-MS测定了浙江台州路桥表层农业土壤中41种多溴二苯醚(PBDEs)的含量,并对其分布及来源进行了分析.结果表明:所有样品中Σ41PBDEs的含量为0.193~91.0ng/g,平均值为8.96ng/g,其中BDE209的含量为0.0452~61.5ng/g,平均值为5.41ng/g.在多数样品中十溴BDE及九溴BDEs是主要的同族体,四溴和七溴BDEs同族体次之.同族体组成特征和聚类分析表明,多数采样点主要受到deca-BDE工业品的污染,另有一些采样点受到octa-BDE和deca-BDE工业品的污染,个别采样点主要受到penta-BDE工业品污染.与国内外相关研究相比,研究区域内土壤中PBDEs的污染水平较低,但少数采样点受点源污染影响较大 |
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其他语种文摘
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The concentrations of 41 polybrominated diphenyl ethers (PBDEs) in the agricultural soils from Luqiao were analyzed by GC-NCI-MS,and their distribution and possible sources were also investigated. The total concentrations of 41 PBDEs (Σ41PBDEs) in soils ranged from 0.193 to 91.0 ng/g dry weight, with a mean of 8.96 ng/g,and the concentrations of BDE209 were from 0.0452 to 61.5 ng/g dry weight, with a mean of 5.41 ng/g. Deca-BDE and nona-BDEs were the predominant homologues in most of samples, followed by tetra-BDEs and hepta-BDEs. The homologue composition and cluster analysis showed that most of sampling sites were polluted by deca-BDE formulation, and others polluted by octa-BDE and deca-BDE formulations. Comparing with other studies, the levels of PBDEs in the present study were lower, but it should be concerned that a few of sampling sites were highly contaminated |
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来源
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中国环境科学
,2010,30(12):1664-1669 【核心库】
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关键词
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电子废物
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农业土壤
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多溴二苯醚
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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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中国科学院广州地球化学研究所, 有机地球化学国家重点实验室, 广东, 广州, 510640
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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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1000-6923 |
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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
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国家科技支撑计划项目
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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:4090396
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