| 壳聚糖乙酸酯冠醚对金属离子的吸附性能研究 |
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| 引用本文： | 谭淑英,汪玉庭,唐玉蓉.壳聚糖乙酸酯冠醚对金属离子的吸附性能研究[J].环境科学,1999,20(3):59-62. |
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| 作者姓名： | 谭淑英 汪玉庭 唐玉蓉 |
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| 作者单位： | [1]武汉大学环境科学系 [2]武汉大学分析测试中心 |
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| 摘 要： | 利用壳聚糖Ｃ２位上活泼氨基与苯甲醛进行反应，制得了Ｓｃｈｉｆｆ碱苯甲醛壳聚糖（简称ＣＴＢ），再将合成的二苯并１６－冠－５氯代乙酸酯冠醚接枝到ＣＴＢ上，得到壳聚糖－苯并１６－冠－５乙酸酯冠醚（简称ＴＣＢＣ），使其在酸性条件下脱去苯甲醛，制得壳聚糖－二苯并１６－冠－５－乙酸酯冠醚（简称ＣＴＣＥ）。经元素分析、红外光谱分析表征了其结构。并研究了ＣＴＢＣ和ＣＴＣＥ对Ｐｂ＾２＋、Ｃｕ＾２＋、Ｃｒ＾３＋、Ｎｉ
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| 关 键 词： | 壳聚糖 冠醚 吸附性能 金属离子 |
| 收稿时间： | 1998/6/18 0:00:00 |
Study on The Adsorption Properties for Metal Ionsof Chitosan Acetate Crown Ethers |
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| Tan Shuying,Wang Yuting and Tang Yurong.Study on The Adsorption Properties for Metal Ionsof Chitosan Acetate Crown Ethers[J].Chinese Journal of Environmental Science,1999,20(3):59-62. |
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| Authors: | Tan Shuying Wang Yuting and Tang Yurong |
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| Institution: | Department of Environmental Science, Wuhan University, Wuhan 430072, China;Department of Environmental Science, Wuhan University, Wuhan 430072, China;Center of Analysis measurement, Wuhan University, Wuhan 430072, China |
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| Abstract: | The C2 amino group in chitosan is protected from the reaction between benzaldehyde and chitosan to form Nbenzylidene chitosan (CTB). After the reaction with dibenzo 16c5 chloracetate crown ether, the Schiff base is removed by reacting chitosanbenzaldehhydedibenzo 16c5 acetate crown ether (CTBC) and dilute ethanolic hydrochloride solution, whose structures are confirmed by elemental analysis and FTIR spectra analysis. Their adsorption properties for Pb2+, Cu2+, Cr3+, Ni2+and Cd2+were studied, the result shows that adsorption capacities of CTCE is higher than CTBC, and the adsorption capacities of CTCE and CTBC and higher than CTB. |
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| Keywords: | chitosan crown ether synthsis adsorption properties |
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