| 羧甲基壳聚糖与钙离子络合作用的研究 |
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| 引用本文： | 蔡文娣,王常红,韩宝芹,刘万顺,初金鑫.羧甲基壳聚糖与钙离子络合作用的研究[J].化学研究与应用,2006,18(6):726-728. |
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| 作者姓名： | 蔡文娣 王常红 韩宝芹 刘万顺 初金鑫 |
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| 作者单位： | 中国海洋大学生命学院,山东,青岛,266003;中国海洋大学生命学院,山东,青岛,266003;中国海洋大学生命学院,山东,青岛,266003;中国海洋大学生命学院,山东,青岛,266003;中国海洋大学生命学院,山东,青岛,266003 |
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| 摘 要： | 羧甲基壳聚糖(carboxymethyl chitosan,CMCS)是壳聚糖Chitosan经化学改性得到的水溶性衍生物,由于羧基的引入,络合金属离子的能力及反应速度大大提高1-6],在医药、化工、环保等领域有着广泛的应用前景。本文研究了羧甲基壳聚糖与Ca2 络合的条件,着重探讨了Pb2 在不同条件下对络合反应的影响,以期扩大羧甲基壳聚糖的应用范围。1材料与方法1.1仪器与试剂羧甲基壳聚糖(自制),其它试剂均为国产优级纯。TAS-986G原子吸收分光光度计;SX5-12箱式电阻炉;GL-20B高速冷冻离心机;Ori-on818型pH测试计。1.2实验方法1.2.1羧甲基壳聚糖与Ca2 络合…
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| 关 键 词： | 羧甲基壳聚糖 钙 铅 络合 |
| 文章编号： | 1004-1656（2006）06-0726-03 |
| 收稿时间： | 2005-12-28 |
| 修稿时间： | 2006-03-24 |
Studies on the complexation of Ca2+ to carboxymethyl chitosan |
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| CAI Wen-di,WANG CHANG-hong,HAN Bao-qin,Liu Wan-shun,CHU Jin-xin.Studies on the complexation of Ca2+ to carboxymethyl chitosan[J].Chemical Research and Application,2006,18(6):726-728. |
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| Authors: | CAI Wen-di WANG CHANG-hong HAN Bao-qin Liu Wan-shun CHU Jin-xin |
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| Institution: | Colloege of Marine Life Sciences, Ocean University of China, Qingdao 266003, China |
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| Abstract: | INTENTION:The effect of different reaction conditions such as temperature,pH value,time,the concentration of Na~ ions and Pb~(2 ) ions on the complexation capacity of carboxymethyl chitosan(CMCS) to Ca~(2 )ions,were investigated.METHOD:In different reaction conditions,carboxymethyl chitosan reacted with saturated solution of calcirm chorde,produced carboxymethyl chitoxan calcium(CCC).The Ca~(2 )ions concentration of CCC was determined by atomic absorption spectrophotometer.RESULT:After 15 minutes,the complexation capacity of Ca~(2 )ions to CMCS was to most in the room temperature at pH6.0.CONCLUSION:The complexation of Ca~(2 )ions to CMCS has been influenced by the complexation capacity of CMCS to other cations in the reactions system. |
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| Keywords: | carboxymethyl chitosan calcium lead complexation |
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