Fractionation and Contamination Assessment of Metal Elements in the Surface Sediments of Yundang Lagoon in Xiamen

被引：0
|
作者：
Yang Q.-L. [1 ,2 ]
Yu R.-L. [1 ]
Hu G.-R. [1 ,2 ]
Lin C.-Q. [1 ]
Han L. [1 ]
机构：
[1] College of Chemical Engineering, Huaqiao University, Xiamen
[2] State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang
来源：
Yu, Rui-Lian (ruiliany@hqu.edu.cn) | 1600年 / Science Press卷 / 38期
关键词：
Assessment; Fractions; Metal elements; Sediments; Yundang Lagoon in Xiamen;
D O I：
10.13227/j.hjkx.201607125
中图分类号：
学科分类号：
摘要：
Total concentrations of 15 metal elements in the surface sediments of Yundang Lagoon in Xiamen were determined using ICP-MS. The fractions were extracted by a modified BCR method. The results indicated that in different areas of Yundang Lagoon, the order of the concentrations of Cd, Cu, Sr, Pb, Zn and U was: outer lagoon>ditch>inner lagoon, the order for Cr, Co, Ni, V, Fe, Li, Rb and Mn was: inner lake>outer lake>ditch. Cu, Zn and Pb were mainly in the reducible phase; Cd was mainly in the acid soluble-extractable and reducible phases; Co, Ni, U, Fe and Mn were mainly in the reducible and residual phases; Li, V, Cr, Rb and Ba were dominated by residual phase. The potential ecological risk of metal elements suggested that V, Cr, Co, Ni, Zn, Cu, Cd and Pb were at a low potential ecological risk level. The results of ratio of secondary phase to primary phase (RSP) assessment indicated that Cu, Cd and Zn showed high pollution level; Pb showed moderate pollution level; Co, Mn, Sr and U were in a low polluted condition; Ni, Fe, Cr, V, Li, Ba and Rb showed no pollution. In general, Yundang Lagoon was in a low potential ecological risk. © 2017, Science Press. All right reserved.
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页码：1010 / 1017
页数：7
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