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中文摘要：
利用改进的BCR三步顺序提取法研究了活性污泥中重金属的形态分布.所研究的可提取态包括可交换态,还原态-铁锰氧化物结合态和氧化态-有机物和硫化物结合态.这三态的含量之和加上残渣态的含量与各重金属的总量进行了比较.利用ICP-MS测定了活性污泥提取液以及残渣态中Cr,Mn,Co,Ni,Cu,Zn,As,Cd,Pb的含量.实验表明,采用改进的BCR法可以用来分析活性污泥样品中的金属形态.
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