Citation: Chun Xiang Li, Jian Ming Pan, Jie Gao, Yong Sheng Yan, Gan Qing Zhao. An ion-imprinted polymer supported by attapulgite with a chitosan incorporated sol-gel process for selective separation of Ce(Ⅲ)[J]. Chinese Chemical Letters, ;2009, 20(8): 985-989. doi: 10.1016/j.cclet.2009.03.020 shu

An ion-imprinted polymer supported by attapulgite with a chitosan incorporated sol-gel process for selective separation of Ce(Ⅲ)

School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China

Received Date: 3 December 2008

Fund Project: This work was financially supported by the National Natural Science Foundation of China (No.20877036).

The surface ion-imprinting concept and chitosan incorporated sol-gel process were applied to the synthesis of a new attapulgitesupported polymer for selective separation of Ce(Ⅲ) from aqueous solution. The imprinting mechanism of prepared ion-imprinted polymer were discussed with the Characteristics of FT-IR and SEM. Results from the experiments of adsorption capacity and selectivity suggested that ion-imprinted polymer offered a fast kinetics for the adsorption of Ce(Ⅲ) under the optimum conditions.Its maximum adsorption capacity was 38.02 mg/g, and the selective recognition towards Ce(Ⅲ) was much higher than that of the non-imprinted polymer and attapulgite. The prepared functional polymer was shown to be promising for selective separation and enrichment of trace Ce(Ⅲ) in environmental samples.
- Attapulgite,
- Chitosan,
- Surface ion-imprinted,
- Selective adsorption,
- Ce(Ⅲ)
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