Citation: Su Liqiang, Bai Jinfeng, Zou Xueying. Preparation and Adsorption Properties of Magnetic Pytazosulfuron-Ethyl Molecularly Imprinted Polymer[J]. Chemistry, ;2016, 79(11): 1063-1067. shu

Preparation and Adsorption Properties of Magnetic Pytazosulfuron-Ethyl Molecularly Imprinted Polymer

1.
College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006

Received Date: 26 April 2016
Available Online: 30 July 2016
Fund Project:

A kind of magnetic molecularly imprinted polymer(MIP) was synthesized by surface polymerization technique using pytazosulfuron-ethyl(PS) as template, methacrylic acid(MAA) as functional monomer and ethyleneglycol dimethacrylate(EDMA) as cross-linker. The structures of the resulting composites were characterized by FT IR and SEM. Adsorption experiment was adopted to study the binding properties of MIP for PS. The MIP as solid phase extraction material was filled in solid phase extraction column combined with high performance liquid chromatography(HPLC). The results showed the maximum adsorption capacity of MIP for PS was 68.94 mg/g, and its imprinted factor achieved to 2.49. The proposed method was applied to determine PS in rice samples. The recovery rate of PS was in the range of 87.73%~99.57%, with the relative standard deviation less than 5.51%. This method has good effect for the applications in the enrichment and separation of PS in real samples.
- Molecularly imprinted polymer,
- Pytazosulfuron-ethyl,
- Solid phase extraction,
- High performance liquid chromatography
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沈阳化工大学材料科学与工程学院沈阳 110142