Preparation of acidity-sensitive N-isopropylacrylamide and methacrylic acid copolymer monolithic column for the pipette tip solid phase extraction of phenols

Qiao Li,Guanyong Wu,Xinze Wu,Huaixia Chen,Xueping Dang,Xiaolan Liu

Microchemical Journal（2023）

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摘要

•An acidity-sensitive monolith based on NIPAM and MAA was synthesized.•No organic solvent was used as eluent.•A PT-SPE-HPLC-UV method was developed for high selective analysis of 5 phenols.•LODs of the method for 5 phenols in water were in the range of 0.2–0.3 μg L−1.

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关键词

Pipette tip solid phase extraction,Monolithic column,poly(N-isopropylacrylamide-methyl acrylic acid-co-divinylbenzene),Polycarbonate,Diffusion

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