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BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY · 2013 ·Vol. 91 ·期 5 ·522-525 · IF 1.105

Occurrence of Higher Chlorinated Benzenes in Livers of Grass Carp and Common Carp Collected from Markets of Xinxiang, China

Li Yong-Fang,Yang Zhong-Zhi,Fan Jing,Zhu Yong

Five higher chlorinated benzenes (including hexachlorobenzene (HCB), pentachlorobenzene (PeCB) and three isomers of tetrachlorobenzens) were measured in the livers of grass carp and common carp collected from five markets in Xinxiang city, China. HCB and PeCB were detected in all samples. The major component of the higher CBs residue was HCB and significant correlations existed between HCB and PeCB in both grass carp and common carp livers. The ratio range of HCB/PeCB in grass carp and common carp were 3.4–6.2 and 4.9–7.7, respectively, which implied the sources of higher CBs originate mainly from the revolatilization of industrial HCB with a minor impact from PeCB.

CAS / MDL: 608-93-5

研究领域: 环境科学 · 毒理学

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ENVIRONMENTAL MONITORING AND ASSESSMENT · 2011 ·Vol. 184 ·期 5 ·3085-3094 · IF 1.436

Occurrence and characterization of selected organochlorine contaminants in outdoor dust collected from Xinxiang, a fast developing city in North China

Li Yongfang,Yang Zhongzhi,Kong Xiaoduo,He Guangjie

As facile “environmental media”, the outdoor dust may reflect the changes of contaminants in environment more promptly. In the present study, selected organochlorine contaminants (OCs) include hexachlorocyclohexanes (HCHs), dichlorodiphenyltrichloroethanes (DDTs), hexachlorobenzene (HCB), and pentachlorobenzene (PeCB) were detected in 20 outdoor dust samples collected from Xinxiang City. The concentrations of ΣHCHs, ΣDDTs, HCB, and PeCB in dust were in the range of 0.18–5.05 ng/g dry weight, 0.44–13.50 ng/g dry weight, 0.13–51.61 ng/g dry weight and ND-0.74 ng/g dry weight, respectively. Long-range transport, historical use, and recent impact of impure pesticides might be the main sources of OCs in the outdoor dust. The results of this study indicated that impure pesticide application maybe an important source of DDTs and HCB in the environment.

CAS / MDL: 608-93-5

研究领域: 环境科学 · 污染生态学

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BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY · 2010 ·Vol. 86 ·期 1 ·38-42 · IF 0.992

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

Yang Zhong-Zhi,Li Yong-Fang,Li Zhi-Chun,Gu Yu-Mei,Zhu Ya,Zhang Zhan-Jun

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.

研究领域: 环境科学 · 毒理学

✓ 已验证 DOI PubMed 高影响因子

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Occurrence of Higher Chlorinated Benzenes in Livers of Grass Carp and Common Carp Collected from Markets of Xinxiang, China

Occurrence and characterization of selected organochlorine contaminants in outdoor dust collected from Xinxiang, a fast developing city in North China

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