CLC number: X52
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2014-07-18
Cited: 7
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Zhong-yuan Wang, Lin Duan, Dong-qiang Zhu, Wei Chen. Effects of Cu(II) and Ni(II) ions on adsorption of tetracycline to functionalized carbon nanotubes[J]. Journal of Zhejiang University Science A,in press.Frontiers of Information Technology & Electronic Engineering,in press.https://doi.org/10.1631/jzus.A1400108 @article{title="Effects of Cu(II) and Ni(II) ions on adsorption of tetracycline to functionalized carbon nanotubes", %0 Journal Article TY - JOUR
Cu(II)和Ni(II)对四环素在官能团化碳纳米管上吸附的影响研究目的:探究四环素在不同官能团化碳纳米管上的吸附机制,并揭示Cu(II)和Ni(II)对四环素与碳纳米管间作用的影响机制。创新要点:1.碳纳米管对四环素的吸附与其表面官能团种类密切相关;2.金属离子对碳纳米管吸附四环素的影响能力与金属离子络合性能相关。 研究方法:采用批量吸附试验和谱学手段表征相结合的研究方法。 重要结论:四环素在不同官能化碳纳米管上吸附能力的强弱顺序为:石墨化碳纳米管(G-MWCNTs)>羟基化碳纳米管(OH-MWCNTs)>羧基化碳纳米管(COOH-MWCNTs)>氨基化碳纳米管(NH2-MWCNTs),碳纳米管表面的官能团类型和数量对四环素与碳纳米管间的作用机制有重要影响(表1和图2)。Cu(II)和Ni(II)对四环素在G-MWCNTs上的吸附几乎没有影响,但对在其它三种官能团化的碳纳米管上的吸附表现出不同的影响能力(图3)。与Ni(II)相比,Cu(II)与碳纳米管上官能团具有更强的络合能力,因此Cu(II)对四环素在不同碳纳米管上吸附的影响要比Ni(II)更显著。 官能团化碳纳米管;四环素;吸附;络合 Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article
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