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分析化学  2011 

分子印迹固相萃取技术检测江水、尿液及牛奶中雌激素残留

, PP. 793-798

Keywords: 分子印迹聚合物,固相萃取,雌激素

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Abstract:

以β-雌二醇和炔雌醇的分子印迹聚合物为填料制备固相萃取小柱,选择60%(V/V)甲醇-水溶液作为雌激素的淋洗液,甲醇-乙酸(9:1,V/V)为洗脱液,洗脱两次可彻底洗脱固相萃取小柱中目标分子。以建立的萃取条件对上海黄浦江水、尿液、牛奶中雌激素进行富集,结合高效液相色谱法,建立了基于分子印迹固相萃取技术检测上述实际样品中雌激素的新方法,检出限低于0.1mg/L,回收率高于80%。

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