Halogenated flame retardants in surface sediments from fourteen estuaries, South China

被引：14
|
作者：
Xie, Jinli [1 ,6 ]
Sun, Yuxin [1 ]
Cheng, Yuanyue [2 ]
Chen, Yongshan [3 ]
Chen, Laiguo [4 ]
Xie, Chenmin [1 ,6 ]
Dai, Shouhui [1 ]
Luo, Xiaojun [5 ]
Zhang, Li [1 ]
Mai, Bixian [5 ]
机构：
[1] Chinese Acad Sci, CAS Key Lab Trop Marine Bioresources & Ecol, Guangdong Prov Key Lab Appl Marine Biol, South China Sea Inst Oceanol, Guangzhou 510301, Peoples R China
[2] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Peoples R China
[3] Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Environm & Hlth, Xiamen 361021, Peoples R China
[4] Minist Ecol & Environm Peoples Republ China, State Environm Protect Key Lab Urban Ecol Environ, South China Inst Environm Sci, Guangzhou 510655, Peoples R China
[5] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China
[6] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
MARINE POLLUTION BULLETIN | 2021年 / 164卷
基金：
中国国家自然科学基金;
关键词：
Halogenated flame retardants; Distribution; Sediment; Estuary; South China;
D O I：
10.1016/j.marpolbul.2021.112099
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A total of seventy surface sediments were collected from fourteen estuaries of South China to investigate the distribution of polybrominated diphenyl ethers (PBDEs), decabromodiphenyl ethane (DBDPE), 1,2-bis (2,4,6-tribromophenoxy) ethane (BTBPE) and dechlorane plus (DP). The concentrations of Sigma 16PBDEs, DBDPE, BTBPE and DP in estuarine sediments ranged from 0.39 to 81.2, 0.18 to 49.9, not detected to 0.62, and 0.025 to 1.66 ng/g dry weight, respectively. Significant differences for levels of Sigma 16PBDEs, DBDPE, BTBPE and DP were found among the sediments from fourteen estuaries. Sediments from the Pearl River Estuary had the highest concentrations of Sigma 16PBDEs, DBDPE and DP. PBDEs and DBDPE were the main halogenated flame retardants in estuarine sediments. BDE 209 was predominant congener of PBDEs with an average contribution of 88.1% to the total PBDEs. 32.9% sediment samples from South China had f(anti) values lower than 0.65, suggesting that stereoselective enrichment of syn-DP occurred in estuarine sediments.
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页数：7
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