Distribution and partitioning of polybrominated diphenyl ethers in sediments from the Pearl River Delta and Guiyu, South China
| Autor: | Yong Ran, Youda Huang, Dainan Zhang, Xiangying Zeng, Yu Yang |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Total organic carbon
China Geologic Sediments South china Pearl river delta 010504 meteorology & atmospheric sciences Health Toxicology and Mutagenesis Sediment General Medicine 010501 environmental sciences Toxicology 01 natural sciences Pollution Gas Chromatography-Mass Spectrometry Polybrominated diphenyl ethers Rivers Environmental chemistry Halogenated Diphenyl Ethers Soil Pollutants Environmental science Environmental Monitoring 0105 earth and related environmental sciences |
| Zdroj: | Environmental Pollution. 235:104-112 |
| ISSN: | 0269-7491 |
| DOI: | 10.1016/j.envpol.2017.12.049 |
| Popis: | Polybrominated diphenyl ethers (PBDEs) were investigated by GC–NCI–MS in sediments collected from the Pearl River Delta (PRD) and Guiyu town, South China. The concentrations of ∑39PBDEs and BDE 209 were in the ranges of 0.31–38.9 ng g−1 and 12.2–488 ng g−1 in the PRD, and 2.57–21,207 ng g−1 and 7.02–66,573 ng g−1 in Guiyu, respectively. The levels of PBDEs in Dongjiang River (DJ), Zhujiang River (ZJ), and Beijiang River (BJ), and Guiyu (GY) followed the order: GY > DJ > ZJ > BJ. The very high PBDE concentration (87,779 ng g−1) was detected at G1 sediment in Guiyu compared with those in sediments from other regions around the world. The PBDE mixtures detected were mainly comprised of penta-, octa-, and deca-BDEs, in which deca-BDE was the dominant constituent. The abundant congeners, excluding BDE-209, were BDE-47, BDE-99, and BDE-183, suggesting the diverse use of commercial products containing these congeners in this region. The concentrations of major congeners were significantly correlated with total organic carbon (TOC) contents (p |
| Databáze: | OpenAIRE |
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