Distribution and Characterization of Higher Chlorinated Benzenes in Outdoor Dust Collected from a Fast Developing City in North China

被引：0
作者：
Zhong-Zhi Yang
Yong-Fang Li
Zhi-Chun Li
Yu-Mei Gu
Ya Zhu
Zhan-Jun Zhang
机构：
[1] Xinxiang Medical University,Department of Public Health
[2] Henan Institute of Science and Technology,College of Chemistry and Chemical Engineering
来源：
Bulletin of Environmental Contamination and Toxicology | 2011年 / 86卷
关键词：
Chlorinated benzenes; Outdoor dust samples;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Five higher Chlorinated Benzenes (CBs), include Hexachlorobenzene (HCB), pentachlorobenzene (PeCB) and three isomers of tetrachlorobenzens, were analyzed in 20 outdoor dust samples collected from a fast developing city, Xinxiang. Only HCB was detected in all outdoor dust samples. The dominate part of the CBs residue in most samples was HCB and the mean HCB concentration (4.13 ng/g dry weight) in this study was in the range of global background soil HCB levels (ranging from 0.010 to 5.20 ng/g dry weight). The higher ratios of HCB/PeCB in the outdoor dust samples in the present study indicate that pesticide application may be an important source of HCB in China.
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页码：38 / 42
页数：4
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