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Polybrominated diphenyl ethers(PBDEs)and hexabromobiphenyl in sediments of the Diep and Kuils Rivers in South Africa

Polybrominated diphenyl ethers (PBDEs) and hexabromobiphenyl in sediments of the Diep and Kuils Rivers in South Africa

作     者:Adegbenro P.Daso Olalekan S.Fatoki James P.Odendaal 

作者机构:Department of Environmental and Occupational StudiesFaculty of Applied SciencesCape Peninsula University of Technology Department of ChemistryFaculty of Natural and Agricultural SciencesUniversity of Pretoria Department of ChemistryFaculty of Applied SciencesCape Peninsula University of Technology 

出 版 物:《International Journal of Sediment Research》 (国际泥沙研究(英文版))

年 卷 期:2016年第31卷第1期

页      面:61-70页

核心收录:

学科分类:08[工学] 0815[工学-水利工程] 

基  金:the National Research Foundation(NRF) for financial support 

主  题:PBDEs Bottom sediment Total organic carbon Cape Town 

摘      要:This study reports the concentrations of polybrominated diphenyl ethers and hexabromobiphenyl in bottom sediment of two rivers within the city of Cape *** the isolation of the target compounds by mechanical shaking technique,the routine analyses and structural elucidation of the target analytes were performed with high capillary gas chromatography with electron capture detection(GC-nECD)and gas chromatography-time-of-flight-mass spectrometry(GC-TOF-MS)techniques,*** mean concentrations of the total PBDE varied in the range of 0.06-2.47 ng/g in the Diep *** values were relatively higher in the Kuils *** mean concentrations of BB 153ranged from not detected(ND)-0.39 ng/***,the mean concentrations of BB 153 in the Kuils River were in the range of ND-1.21 ng/*** statistical analyses performed on these data showed that majority of the PBDE congeners,except BDE 209 had strong positive correlation with the total organic carbon(TOC).Although effluent discharges from nearby wastewater treatment plants were identified as important source of PBDEs,other notable sources,including grey water intrusion could contribute to the contamination of the upstream of both rivers.

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