Cu(Ⅱ)印迹[CTS/PVP]和[CTS/PVP/C]材料的制备及表征

白雪, 张良, 钟吕玲, 马彩莲, 聂小勇, 韩选利. Cu(Ⅱ)印迹[CTS/PVP]和[CTS/PVP/C]材料的制备及表征[J]. 环境化学, 2013, 32(8): 1496-1501. doi: 10.7524/j.issn.0254-6108.2013.08.012
引用本文: 白雪, 张良, 钟吕玲, 马彩莲, 聂小勇, 韩选利. Cu(Ⅱ)印迹[CTS/PVP]和[CTS/PVP/C]材料的制备及表征[J]. 环境化学, 2013, 32(8): 1496-1501. doi: 10.7524/j.issn.0254-6108.2013.08.012
BAI Xue, ZHANG Liang, ZHONG Lvling, MA Cailian, NIE Xiaoyong, HAN Xuanli. Preparation and characterization of Cu(Ⅱ) imprinted[CTS/PVP and CTS/PVP/C][J]. Environmental Chemistry, 2013, 32(8): 1496-1501. doi: 10.7524/j.issn.0254-6108.2013.08.012
Citation: BAI Xue, ZHANG Liang, ZHONG Lvling, MA Cailian, NIE Xiaoyong, HAN Xuanli. Preparation and characterization of Cu(Ⅱ) imprinted[CTS/PVP and CTS/PVP/C][J]. Environmental Chemistry, 2013, 32(8): 1496-1501. doi: 10.7524/j.issn.0254-6108.2013.08.012

Cu(Ⅱ)印迹[CTS/PVP]和[CTS/PVP/C]材料的制备及表征

Preparation and characterization of Cu(Ⅱ) imprinted[CTS/PVP and CTS/PVP/C]

  • 摘要: 以壳聚糖(CTS)、聚乙烯吡咯烷酮(PVP)、活性炭(C)为基材, Cu(Ⅱ)为印迹离子,制备了CTS/PVP共混印迹球[Cu(Ⅱ)-IICP]和CTS/PVP/C共混印迹球[Cu(Ⅱ)-IICPC].以Cu(Ⅱ)的吸附量作为评价指标,对两种共混印迹球的制备条件进行了优化.研究结果表明,当CTS/PVP的质量比为6:4,活性炭质量分数为0.6%,Cu(Ⅱ) 模板剂质量分数为0.05%,所制备的两种共混印迹球吸附性能较佳,且对Cu(Ⅱ)有较好的选择吸附性.物理吸附分析结果表明,与未印迹相比印迹材料的比表面积明显增大.FTIR谱图分析,Cu(Ⅱ)模板主要与CTS和PVP中的—NH2和—OH发生了配位作用.XRD谱图分析结果表明,CTS与PVP、C、Cu(Ⅱ)之间发生了相互作用,改变了CTS原有的晶体结构,使其结晶度降低.
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  • 收稿日期:  2012-10-17
白雪, 张良, 钟吕玲, 马彩莲, 聂小勇, 韩选利. Cu(Ⅱ)印迹[CTS/PVP]和[CTS/PVP/C]材料的制备及表征[J]. 环境化学, 2013, 32(8): 1496-1501. doi: 10.7524/j.issn.0254-6108.2013.08.012
引用本文: 白雪, 张良, 钟吕玲, 马彩莲, 聂小勇, 韩选利. Cu(Ⅱ)印迹[CTS/PVP]和[CTS/PVP/C]材料的制备及表征[J]. 环境化学, 2013, 32(8): 1496-1501. doi: 10.7524/j.issn.0254-6108.2013.08.012
BAI Xue, ZHANG Liang, ZHONG Lvling, MA Cailian, NIE Xiaoyong, HAN Xuanli. Preparation and characterization of Cu(Ⅱ) imprinted[CTS/PVP and CTS/PVP/C][J]. Environmental Chemistry, 2013, 32(8): 1496-1501. doi: 10.7524/j.issn.0254-6108.2013.08.012
Citation: BAI Xue, ZHANG Liang, ZHONG Lvling, MA Cailian, NIE Xiaoyong, HAN Xuanli. Preparation and characterization of Cu(Ⅱ) imprinted[CTS/PVP and CTS/PVP/C][J]. Environmental Chemistry, 2013, 32(8): 1496-1501. doi: 10.7524/j.issn.0254-6108.2013.08.012

Cu(Ⅱ)印迹[CTS/PVP]和[CTS/PVP/C]材料的制备及表征

  • 1. 西安建筑科技大学理学院, 西安, 710055

摘要: 以壳聚糖(CTS)、聚乙烯吡咯烷酮(PVP)、活性炭(C)为基材, Cu(Ⅱ)为印迹离子,制备了CTS/PVP共混印迹球[Cu(Ⅱ)-IICP]和CTS/PVP/C共混印迹球[Cu(Ⅱ)-IICPC].以Cu(Ⅱ)的吸附量作为评价指标,对两种共混印迹球的制备条件进行了优化.研究结果表明,当CTS/PVP的质量比为6:4,活性炭质量分数为0.6%,Cu(Ⅱ) 模板剂质量分数为0.05%,所制备的两种共混印迹球吸附性能较佳,且对Cu(Ⅱ)有较好的选择吸附性.物理吸附分析结果表明,与未印迹相比印迹材料的比表面积明显增大.FTIR谱图分析,Cu(Ⅱ)模板主要与CTS和PVP中的—NH2和—OH发生了配位作用.XRD谱图分析结果表明,CTS与PVP、C、Cu(Ⅱ)之间发生了相互作用,改变了CTS原有的晶体结构,使其结晶度降低.

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