Distribution and ecological risk assessment of p-nitrophenol in Taihu Lake and its tributaries
LIU Dan1,2, LIU Ji-ning1, WU Sheng-min1, JI Gui-xiang1, ZHANG Sheng-hu1, SHI Li-li1
1. Nanjing Institute of Environmental Sciences, Ministry of Environmental Protection, Nanjing 210042, China; 2. College of Chemistry and Molecular Engineering, Nanjing Technglogy University, Nanjing 211816, China
Abstract：In order to investigate the levels and patterns of PNP in Taihu Lake and its tributaries, 27samples were collected from this region and the concentrations of PNP in surface water, suspended particulate matter (SPM) and sediment were determined using high performance liquid chromatography mass spectrometry (HPLC-MS/MS). PNP concentrations in the surface water, SPM and sediment were 12.11~170.20ng/L, 115.74~3756.87ng/g and ND~2.65ng/g, dry weight, respectively. PNP was mainly distributed in surface water in tributaries, while distributed in SPM in sampling site of S16~S21. The total organic carbon (TOC) was also analyzed in this study, and the result indicated that there was obvious positive correlation between the levels of PNP and TOC. In addition, based on the PNP concentration levels, the ecological risks of PNP contamination in Taihu Lake and its tributaries were evaluated by the quotient method. The levels of PNP were considerably low and this compound may have low risk to benthic organisms.
刘丹, 刘济宁, 吴晟旻, 吉贵祥, 张圣虎, 石利利. 太湖水体中对硝基苯酚的分布特征及风险评价[J]. 中国环境科学, 2017, 37(2): 761-767.
LIU Dan, LIU Ji-ning, WU Sheng-min, JI Gui-xiang, ZHANG Sheng-hu, SHI Li-li. Distribution and ecological risk assessment of p-nitrophenol in Taihu Lake and its tributaries. CHINA ENVIRONMENTAL SCIENCECE, 2017, 37(2): 761-767.
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