文献类型： 外文期刊
作者： Guo, Mingcheng 1 ; Lin, Qin 2 ; Xu, Zhenlan 2 ; Zhang, Chunrong 2 ; Zhao, Xueping 2 ; Tang, Tao 2 ;
作者机构： 1.Minist Agr & Rural Affairs, Inst Control Agrochem, Beijing 100125, Peoples R China
2.Zhejiang Acad Agr Sci, State Key Lab Qual & Safety Agroprod, Key Lab Pesticide Residue Detect, Minist Agr & Rural Affairs,Inst Qual & Stand Agro, 298 Desheng Rd, Hangzhou 310021, Peoples R China
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）
ISSN： 2045-2322
年卷期： 2020 年 10 卷 1 期
页码：
收录情况： SCI
摘要： Quinestrol (QUN), a synthetic estrogen used as an oral contraceptive or emergency contraceptive component, has been shown to be an endocrine-disrupting chemical. To assess the environmental risk of QUN, batch equilibration experiments were conducted to investigate the adsorption-desorption of QUN in five contrasting soils from different areas of China. The leaching properties were also calculated based on the adsorption and degradation data from our previous study with the same soils. The Freundlich and Langmuir models were applied to the sorption-desorption data to examine the affinity towards QUN of the soils, which had varying physical and chemical properties. The K-f and K-f(des) values of QUN in the tested soils ranged from 3.72 to 20.47 mg(1-n) L-n kg(-1) and from 1.26 to 7.8 mg(1-n) L-n kg(-1), respectively, and Q(m) ranged from 28.25 to 126.58 mg/kg. The desorption data showed that hysteresis occurred. The K-f and K-f(des) values of QUN were positively correlated with the soil total organic carbon (OC) and cation exchange capacity (CEC), and it may be due to the content of TOC and CEC exhibited a positive correlation. A low mobility potential of QUN in soils was predicted and verified the adsorption results by the groundwater ubiquity score (GUS) and retardation factor (R-f).
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