南非豪登省朱克斯基河沉积物中的多溴二苯醚浓度。
Concentrations of polybrominated diphenyl ethers in sediments from Jukskei River, Gauteng, South Africa.
机构信息
Environmental Chemistry Research Group, Department of Environmental, Water and Earth Sciences, Faculty of Science, Tshwane University of Technology, Private Bag X680, Pretoria, South Africa.
出版信息
Bull Environ Contam Toxicol. 2012 Mar;88(3):461-6. doi: 10.1007/s00128-011-0481-y. Epub 2011 Dec 10.
This study determined concentration levels of polybrominated diphenyl ethers (PBDEs) in sediment samples collected from Jukskei River in South Africa. Final extracts, after concentration and dilution to 200 μL were analyzed by injecting 1 μL in the GC-ECD and GC-MS. Results obtained showed good recoveries (73%-114%, with RSD < 17%). The concentrations of ∑PBDEs in sediment for the seven sampling sites ranged from 0.92 to 6.76 ng g(-1) dry weight and total PBDEs with a total BDE sum of 23.85 ng g(-1) dry weights. Concentrations of PBDEs obtained in the present study are significantly lower than the values reported from developed countries.
本研究测定了南非朱克斯基河采集的沉积物样本中多溴二苯醚（PBDEs）的浓度水平。在浓缩和稀释至 200μL 后，将最终提取物注入 GC-ECD 和 GC-MS 中进行分析。结果表明，回收率良好（73%-114%，RSD<17%）。七个采样点沉积物中∑PBDEs 的浓度范围为 0.92-6.76ng/g（干重），总 PBDEs 总量为 23.85ng/g（干重）。本研究中获得的 PBDEs 浓度明显低于发达国家报道的值。
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