京杭大运河(徐州段)底泥重金属形态分布与有机碳的关系研究Studies on the Relations between Morphological Distribution of Heavy Metals and Organic Carbon in Bottom Sediment in Beijing-Hangzhou Grand Canal(Xuzhou Section)
李功振;韩宝平;葛冬梅;孙燕;
摘要(Abstract)：
采用三步连续提取法,并用电感偶合等离子质谱(ICP-MS)和总有机碳测定仪(elementar Germany)对底泥中的重金属(Cu、Cd、Pb、Zn、Cr、Mn、Ni)总量和形态进行测定,研究了京杭大运河(徐州段)6个底泥样品中的重金属含量及形态分布和有机碳的关系。结果表明,Cr、Zn、Cu大部分是以残渣态形式存在,6点分别为80.0%~93.6%,52.7%~99.5%和62.7%~92.8%。Cd、Mn、Pb的醋酸可提取态含量很高,Ni的可氧化提取态含量高。相关性分析表明有机碳的含量与可氧化提取态的相关性较好。
关键词(KeyWords)： 京杭大运河;底泥;重金属形态;总有机碳
基金项目(Foundation): 高等学校博士学科点专项科研基金资助项目(20030290010)
作者(Author): 李功振;韩宝平;葛冬梅;孙燕;
Email:
DOI: 10.13989/j.cnki.0517-6611.2007.13.093
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