缺氧沉积物中硫化物对镉的生物可利用性的影响

韩建波; 李丽娟; 闫启仑; 王菊英; 马德毅; 全燮

缺氧沉积物中硫化物对镉的生物可利用性的影响

1.
大连理工大学, 环境与生命学院, 辽宁大连 116024;国家海洋环境监测中心, 辽宁大连 116023
2.
国家海洋环境监测中心, 辽宁大连 116023
3.
大连理工大学, 环境与生命学院, 辽宁大连 116024

基金项目: 国家自然科学基金资助项目(41176029).

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出版历程
- 收稿日期: 2004-04-18
- 修回日期: 2004-11-05

Effect of sulfides on cadmium bioavailability in anoxic sediment

1.
School of Environmental and Biological Science and Technology, Dalian University of Technology, Dalian 116024, China;National Marine Environmental Monitoring Center, State Oceanic Administration, Dalian 116023, China
2.
National Marine Environmental Monitoring Center, State Oceanic Administration, Dalian 116023, China
3.
School of Environmental and Biological Science and Technology, Dalian University of Technology, Dalian 116024, China

摘要

摘要: 镉是水环境中主要的金属污染物质,趋向于在沉积物中富集,对底栖生物造成潜在的威胁,并且通过食物链最终影响人体的健康.已经证明,作为沉积物中两大主要污染物的有机物和金属,有机碳是控制沉积物中非离子态有机化合物生物可利用性的主要因子^[1],因此利用有机碳归一化方法判断沉积物是否受到有机物污染成为可能,而沉积物中金属的毒性或它的生物可利用性会受到诸如生物、物理和化学因子的影响,其中沉积物的部分化学组成会影响金属在固相与间隙水之间的分配,从而成为控制金属生物可利用性的关键因子^[2,3].
- 硫化物 /
- 镉 /
- 生物可利用性 /
- 缺氧沉积物
- sulfides /
- cadmium /
- bioavailability /
- anoxic sediment

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参考文献(11)

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