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新型磁性纳米材料对低浓度铜离子选择性检测与去除

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摘要 本文介绍一种新型有机荧光探针与选择性螯合剂修饰的核壳结构磁性纳米材料(SDMNA),该材料能够同时检测与去除水体中低浓度铜离子。通过一系列吸附实验,发现SDMNA对低浓度铜离子的检测与去除具有一定的选择性和较大的吸附量。吸附等温线与吸附动力学被用于研究SDMNA的吸附行为。结果表明,Freundlich吸附模型和准二级动力学方程分别能够较好地拟合吸附等温线与吸附动力学曲线。此外,结果还显示了SDMNA能在20min内便可达到吸附平衡。
出处 《资源节约与环保》 2016年第3期29-31,42,共4页 Resources Economization & Environmental Protection
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