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Citation: QIU Cong-Jiao, LIU Mei-Ling, LI Hai-Tao. Synthesis and Adsorption Performance of Hydrophilic Aminopyridine Resin[J]. Chinese Journal of Applied Chemistry, ;2010, 27(9): 1042-1045. doi: 10.3724/SP.J.1095.2010.90693 shu

Synthesis and Adsorption Performance of Hydrophilic Aminopyridine Resin

a. Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research(Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081;
b. Safety Professional and Technology College, Changsha 410151

Received Date: 22 October 2009
Revised Date: 20 March 2010

A hydrophilic resin with 4-aminopyridine was synthesized by the amination of macroporous glycidyl methacrylate-divinylbenzene copolymer(PGMA) beads with 4-aminopyridine.Its static adsorption performance and influence factors toward Hg(Ⅱ),Pb(Ⅱ),Cu(Ⅱ),Zn(Ⅱ) were investigated. At 25℃,the static adsorption capacities for Hg(Ⅱ),Pb(Ⅱ),Cu(Ⅱ),Zn(Ⅱ) are 2.145,1.715,1.023 and 0.654 mmol/g, respectively. The optimal pH value for the adsorption is in the range of 4.5~5.0.In addition,the adsorptive properties for the heavy metal ions could be improved with the increase of temperatures. The adsorption isotherms approximately fit the Langmuir and Freundlich equations within the range of experimental concentrations.
- poly(glycidylmathacrylate),
- aminopyridine,
- heavy metal ion
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