2,4-二氯酚印迹膜的制备与表征Preparation and Characterization of 2,4-dichlorophenol Imprinted Membrane
柯陈静;陈晓;喻雅萍;郑曦;陈日耀;
摘要(Abstract):
以2,4-二氯酚(2,4-DCP)为印迹分子,羧甲基纤维素钠(CMC)或海藻酸钠(SA)为功能单体,考察功能单体种类、聚乙烯醇(PVA)的添加量、CMC与2,4-DCP的质量比等因素对印迹膜的吸附和渗透性能的影响,确定了印迹膜制备的最佳方法和条件参数.当CMC∶2,4-DCP质量比为90∶4,加入PVA溶液质量分数为3%,可得到性能最佳的2,4-DCP印迹膜,并对制备的印迹膜进行SEM表征和选择性吸附实验。结果表明,所制备的印迹膜具有明显的印迹效应,对2,4-DCP有高度的识别和选择性吸附能力.
关键词(KeyWords): 印迹膜;2,4-二氯酚;吸附;选择性
基金项目(Foundation): 福建省科技厅重点资助项目(2012H0019);; 福州市科技局资助项目(2012-G-116);; 福建省自然科学基金资助项目(2013J01034)
作者(Authors): 柯陈静;陈晓;喻雅萍;郑曦;陈日耀;
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