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江苏某地长江、太湖水源水及出厂水中有机物雌激素活性的比较

Huan jing ke xue= Huanjing kexue / [bian ji, Zhongguo ke xue yuan huan jing ke xue wei yuan hui "Huan jing ke xue" bian ji wei yuan hui.](2013)

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Abstract
于2010年10月~2012年3月期间4次采集江苏WX和SZ地区长江、太湖水源水及相关自来水厂出厂水共43个水样,通过XAD-2树脂吸附、洗脱、浓缩其中的非挥发性有机物(nonvolatile organic compounds,NVOCs);应用重组酵母雌激素筛检试验(recombinant yeast estrogen screen,YES试验)检测和比较水中有机物雌激素活性水平.结果表明所有长江、太湖水源水样均具有雌激素活性,太湖水源水的雌二醇当量(EEQs)为0.04 ~2.07 ng·L-1,EC25-E2水样量为5.78~ 207.98 mL,长江水源水的雌二醇当量(EEQs)为0.69~1.15 ng·L-1,EC25-E2水样量为9.06 ~31.62 mL; SZ地区太湖水源水中具类雌激素内分泌干扰物的污染程度(0.69 ng·L-1)高于WX地区(0.44 ng·L-1);长江、太湖水源水经自来水厂常规净水工艺处理后,58.3%的出厂水样未检出雌激素活性,长江水源自来水厂可降低雌激素活性80.3% ~ 100%,而太湖水源自来水厂可降低55.5% ~ 100%.
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Key words
Estrogenic activities,Finished water,Nonvolatile organic compounds(NVOCs),Recombinant yeast estrogen screen test,Source water,Taihu Lake,Yangtze River
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