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南京典型县区饮用水源抗生素含量特征?

Environmental Chemistry(2015)

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Abstract
采用固相萃取?高效液相色谱/串联质谱法分析南京3个典型县区地表饮用水源中5类(14种)抗生素含量.结果表明,14种目标抗生素的含量在ND—14.9 ng·L-1,检出率在0—78%.主要检出物为诺氟沙星、氧氟沙星、强力霉素和磺胺嘧啶,其中四环素类含量相对最高,但总体上,抗生素的含量水平低于国内外其他河流中相应污染物.抗生素含量受季节影响,呈现丰水期(8月)>平水期(5月)>枯水期(2月)的特点.取自湖泊的饮用水源地抗生素含量略高于取自长江.
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