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题名:
Levels and distributions of PBDEs and PCBs in sediments of the Bohai Sea, North China
作者: Pan, Xiaohui1,3,4; Tang, JianHui(唐建辉)1; Li, Jun2; Guo, Zhigang5; Zhang, Gan1,2
刊名: JOURNAL OF ENVIRONMENTAL MONITORING
ISSN号: 1464-0325
出版日期: 2010
卷号: 12, 期号:6, 页码:1234-1241
关键词: POLYBROMINATED DIPHENYL ETHERS ; POLYCHLORINATED NAPHTHALENES PCNS ; PERSISTENT ORGANOCHLORINE RESIDUES ; IONIZATION MASS-SPECTROMETRY ; BROMINATED FLAME RETARDANTS ; PEARL RIVER DELTA ; DECABROMODIPHENYL ETHER ; SURFACE SEDIMENTS ; SOUTH CHINA ; SAMPLES
学科分类: Chemistry, Analytical; Environmental Sciences
产权排序: [Pan, Xiaohui; Tang, Jianhui; Zhang, Gan] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; [Li, Jun; Zhang, Gan] Chinese Acad Sci, State Key Lab Organ Geochem, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China; [Pan, Xiaohui] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China; [Pan, Xiaohui] CAS, Inst Oceanol, Qingdao 266071, Peoples R China; [Guo, Zhigang] Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China
通讯作者: Tang, JH, Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
作者部门: 污染过程与控制实验室 
中文摘要: Fifty-four surface sediments covering the whole water body of the Bohai Sea in North China were collected and analyzed for PBDEs and PCBs, to acquire information about their levels, distributions and possible sources. The results show that BDE 209 is the predominant congener with a mean value of 7000 pg g(-1) dry weight, two orders of magnitude higher than other BDE congeners. The concentrations of Sigma PBDE7 (including BDE 28, 47, 99, 100, 153, 154 and 183) range from 220 to 900 pg g(-1) dw. Significant correlations were found between BDE congeners and total organic content (TOC) (r(2) = 0.48-0.73). Pearson analysis shows that most tri- to hepta-BDE congeners were closely correlated (r(2) > 0.69). Congener patterns varied little among most of the samples and all the detected BDE congeners make a relatively equal mass contribution to Sigma PBDE7. Such a profile is notably different from any of the BDE commercial products. As for PCBs, only a few congeners were detected in certain samples. They ranged from nd-610 pg g(-1) dw with a mean value of 145 pg g(-1) dw, at the lower end of the range reported in remote areas of Europe and North America. The overall burdens of Sigma PBDE7 and BDE 209 within the upper 3 cm sediment layer were estimated to be 0.95-1.25 t and 11-19 t respectively. The latter accounts for about 0.008-0.014% of total BDE 209 produced in China from 1999 to 2006.
英文摘要: Fifty-four surface sediments covering the whole water body of the Bohai Sea in North China were collected and analyzed for PBDEs and PCBs, to acquire information about their levels, distributions and possible sources. The results show that BDE 209 is the predominant congener with a mean value of 7000 pg g(-1) dry weight, two orders of magnitude higher than other BDE congeners. The concentrations of Sigma PBDE(7) (including BDE 28, 47, 99, 100, 153, 154 and 183) range from 220 to 900 pg g(-1) dw. Significant correlations were found between BDE congeners and total organic content (TOC) (r(2) = 0.48-0.73). Pearson analysis shows that most tri- to hepta-BDE congeners were closely correlated (r(2) > 0.69). Congener patterns varied little among most of the samples and all the detected BDE congeners make a relatively equal mass contribution to Sigma PBDE(7). Such a profile is notably different from any of the BDE commercial products. As for PCBs, only a few congeners were detected in certain samples. They ranged from nd-610 pg g(-1) dw with a mean value of 145 pg g(-1) dw, at the lower end of the range reported in remote areas of Europe and North America. The overall burdens of Sigma PBDE(7) and BDE 209 within the upper 3 cm sediment layer were estimated to be 0.95-1.25 t and 11-19 t respectively. The latter accounts for about 0.008-0.014% of total BDE 209 produced in China from 1999 to 2006.
研究领域[WOS]: Chemistry ; Environmental Sciences & Ecology
关键词[WOS]: POLYBROMINATED DIPHENYL ETHERS ; POLYCHLORINATED NAPHTHALENES PCNS ; PERSISTENT ORGANOCHLORINE RESIDUES ; IONIZATION MASS-SPECTROMETRY ; BROMINATED FLAME RETARDANTS ; PEARL RIVER DELTA ; DECABROMODIPHENYL ETHER ; SURFACE SEDIMENTS ; SOUTH CHINA ; SAMPLES
文章类型: Article
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000278588400002
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内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/3794
Appears in Collections:污染过程与控制实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
2.Chinese Acad Sci, State Key Lab Organ Geochem, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
4.CAS, Inst Oceanol, Qingdao 266071, Peoples R China
5.Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China

Recommended Citation:
Pan, Xiaohui,Tang, Jianhui,Li, Jun,et al. Levels and distributions of PBDEs and PCBs in sediments of the Bohai Sea, North China[J]. JOURNAL OF ENVIRONMENTAL MONITORING,2010,12(6):1234-1241.
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