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北极地区表层海水中持久性有机污染物和重金属污染的现状 被引量:24

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摘要 利用毛细管气相色谱-微池电子捕获检测器(GC-μECD)和气相色谱-质谱法(GC-MS)研究测定了北极地区表层海水中的含氯有机化合物的污染状况,与前人的结果相比,有机氯农药含量已大为降低。白令海及楚科奇海区有机氯化合物总量基本相同,但组成不同。α/γ-六六六(HCHs)的比值可以作为推断其来源及海流情况的标记。利用电感耦合等离子体质谱(ICP-MS)分析考察了海水中的痕量重金属,结果表明:该海区基本不存在重金属污染,海水中不同种类重金属呈现出不同的垂直分布状况。
出处 《科学通报》 EI CAS CSCD 北大核心 2002年第15期1196-1200,共5页 Chinese Science Bulletin
基金 中国首次北极科学考察及中国科学院创新工程(KZCX2-414)资助项目.
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