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Preparation and Adsorption Properties of Metal Ions of Crosslinked Chitosan Azacrown Ethers

机译:交联壳聚糖氮杂皇冠醚金属离子的制备及吸附性能

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摘要

The novel azacrown ether chitosan derivatives (CCAE-I,CCAE-II) were prepared by reaction between crosslinked chitosan with epoxy-activated azacrown ethers.Their structures were confirmed by elemental FTIR spectra analysis and X-ray diffraction analysis.The adsorption and selectivity properties of the crosslinked chitosan azacrown ethers for PB~(2+),Cu~(2+),Cr~(2+)Cd~(2+),and Hg~(2+) were also investigated.The experimental results showen that they have high adsorption capacity for Cu~(2+),Cd~(2+) and Hg~(2+).The selectivity properties of CCAE are better than chitosan and crosslinked chitosan.
机译:交联壳聚糖与环氧活化的氮杂皇冠醚反应制得新型氮杂皇冠壳聚糖衍生物(CCAE-I,CCAE-II),并通过元素FTIR光谱分析和X射线衍射分析证实了其结构。还研究了交联的壳聚糖氮杂冠醚对PB〜(2 +),Cu〜(2 +),Cr〜(2+)Cd〜(2+)和Hg〜(2+)的影响。实验结果表明:它们对Cu〜(2 +),Cd〜(2+)和Hg〜(2+)的吸附能力强。CCAE的选择性优于壳聚糖和交联壳聚糖。

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