| L-苯丙氨酸树脂对Cu2+络合性能的研究 |
| |
| 引用本文： | 魏荣卿,沈珺,王强,刘晓宁,王燕芹.L-苯丙氨酸树脂对Cu2+络合性能的研究[J].离子交换与吸附,2007,23(1):32-39. |
| |
| 作者姓名： | 魏荣卿 沈珺 王强 刘晓宁 王燕芹 |
| |
| 作者单位： | 南京工业大学制药与生命科学学院,南京 210009 |
| |
| 基金项目： | 科技部技术创新项目，江苏省科技攻关项目 |
| |
| 摘 要： | 研究了经聚苯乙烯氯乙酰树脂(PS-Ace-Cl)制得的PS手性苯丙氨酸树脂(PS-Ace-Phe)对Cu2 的吸附性能,即通过pH、时间、Cu2 浓度等条件的改变,研究了PS-Ace-Phe对Cu2 的吸附,得到了Cu2 的最佳吸附条件:Cu2 溶液浓度为100 mmol/L,pH为6.0～8.5,吸附时间5h,此时吸附效率可达98%,树脂的最高吸附量为2.03 mmol/g,且不同Phe担载量的树脂对Cu2 的吸附率都可大于90%,PS-Ace-Phe对Cu2 的吸附可达近1∶1,说明PS-Ace-Phe对Cu2 的吸附属络合作用.同时得到吸附树脂的稳定存在条件:Cu2 溶液浓度为10mmol/L,pH为2.0～8.0时,该树脂对Cu2 的吸附稳定性可达24h.
|
| 关 键 词： | 聚苯乙烯氯乙酰树脂 聚苯乙烯苯丙氨酸树脂 吸附 |
| 文章编号： | 1001-5493(2007)01-0032-08 |
| 修稿时间： | 2006-06-08 |
STUDIES ON ADSORPTION PROPERTY OF Cu2+ BY L-Phe RESIN |
| |
| WEI Rongqing,SHEN Jun,WANG Qiang,LIU Xiaoning,WANG Yanqing.STUDIES ON ADSORPTION PROPERTY OF Cu2+ BY L-Phe RESIN[J].Ion Exchange and Adsorption,2007,23(1):32-39. |
| |
| Authors: | WEI Rongqing SHEN Jun WANG Qiang LIU Xiaoning WANG Yanqing |
| |
| Institution: | College of life Science and Pharmaceutical Engineering Nanjing University of Technology, Nanjing 210009, China |
| |
| Abstract: | A chiral L-phenylalanine (L-Phe) polystyrene was prepared by chloroacetylated polystyrene (PS-Ace-Cl) and studies on adsorption property of Cu2 . The effects of pH, reaction time as well as the concentration of Cu2 on the adsorption were investigated to get the optimal conditions. The results were as follows: Cu2 concentration 100mmol/L, pH=6.0~8.5, time=5h, and then the adsorption percentage could be up to 98%. The adsorption percentages of resins with different loading amount were all above 90%. It revealed the adsorption between L-Phe resin and Cu2 almost 1:1. Furthermore, the stabilization condition for 24h of the adsorption resin was obtained by Cu2 concentration of 10mmol/L and pH=2.0~8.0. |
| |
| Keywords: | Cu2 PS-Ace-Cl PS-Ace-Phe |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
