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Reference type: Journal
Authors: Guo L, Deng QL, Fang GZ, Gao W, Wang S
Article Title: Preparation and evaluation of molecularly imprinted ionic liquids polymer as sorbent for on-line solid-phase extraction of chlorsulfuron in environmental water samples.
Publication date: 2011
Journal: Journal of Chromatography A
Volume: 1218
Issue: (37)
Page numbers: 6271-6277.
DOI: 10.1016/j.chroma.2011.07.016
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0021967311010065

Abstract: In this report, vinylimidazolium ionic liquid as a functional monomer for preparation of chlorsulfuron (CS) imprinted polymers were first studied. The imprinted materials showed high selectivity for CS, and fast kinetics so that adsorption equilibrium was achieved within 5 min. These materials have been further employed to detect trace CS from water samples by online preconcentration coupled with HPLC. The sorbent offered good linearity (0.005-30 μg L-1, r2 > 0.99) for on-line solid-phase extraction of trace chlorsulfuron. Under the optimal experimental conditions, the recovery for chlorsulfuron was in the range of 81.0-110.1% for the water samples, with RSDs ranging from 1.2 to 7.6%
Template and target information: chlorsulfuron, CS
Author keywords: Vinylimidazolium ionic liquid, molecularly imprinted polymer, Chlorsulfuron, On-line solid-phase extraction, high performance liquid chromatography


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