Concentrations and Profiles of Polychlorinated Dibenzo-p-dioxins and Dibenzofurans in Bank Soils Collected from Dongting Lake, China

被引：0
|
作者：
Ke Xiao
Minghui Zheng
Liping Fang
Yongbin Yang
机构：
[1] Chinese Academy of Sciences,State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco
来源：
Bulletin of Environmental Contamination and Toxicology | 2010年 / 85卷
关键词：
PCDD/Fs; Sodium pentachlorophenate; Bank soil; Dongting Lake;
D O I：
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中图分类号：
学科分类号：
摘要：
Twelve bank soil samples from the Dongting Lake area were determined to investigate the concentrations and distributions of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs). The result showed the PCDD/Fs contamination was not only confined to the surface soil, but extended into the subsoil. Total I-TEQ values for all surface soils averaged 30.3 pg/g dw (ranging from 5.53 to 75.6 pg/g dw). There were some differences in the congener profiles among soil, sediment samples and technical product of sodium pentachlorophenate, which could reflect the variety of PCDD/F sources to the environment over time.
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页码：174 / 178
页数：4
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