Distribution and sources of polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) in surface waters of Jinzhou Bay in China

被引：18
|
作者：
Yao, Ting [1 ,2 ]
He, Chunxiang [1 ]
Zhang, Peng [2 ]
Gao, Hui [2 ]
Zhou, Chuanguang [2 ]
机构：
[1] Liaoning Normal Univ, Coll Chem & Chem Engn, Dalian 116029, Peoples R China
[2] Natl Marine Environm Monitoring Ctr, State Ocean Adm, Key Lab Coastal Ecol & Environm, Dalian 116023, Peoples R China
来源：
2013 INTERNATIONAL SYMPOSIUM ON ENVIRONMENTAL SCIENCE AND TECHNOLOGY (2013 ISEST) | 2013年 / 18卷
关键词：
polychlorinated biphenyls; organochlorine pesticides; Jinzhou Bay; surface water; gas chromatography; ACCELERATED SOLVENT-EXTRACTION; SOXHLET;
D O I：
10.1016/j.proenv.2013.04.041
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) in surface water collected from the Jinzhou Bay in North China were analyzed using gas chromatography to reveal their horizontal distribution tendencies and trace their sources. Total PCB concentrations ranged from 215.4 to 3161 ng/L. The level of PCB in the opening of the Bay was higher than the inner Bay. The predominated components were 5- and 6-chlorinated PCBs, indicating these residual PCBs derived from paint additives. Total OCP concentrations ranged from 4.165 to 136.8 ng/L, whose isomer concentrations ratios implied the usage of technical HCH and lindane. (C) 2013 The Authors. Published by Elsevier B.V.
引用
收藏
页码：317 / 322
页数：6
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