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), r(2)>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%.
Copyright © 2011 Elsevier B.V. All rights reserved.
Publication types
-
Research Support, Non-U.S. Gov't
MeSH terms
-
Adsorption
-
Chromatography, High Pressure Liquid
-
Hydrogen-Ion Concentration
-
Imidazoles / chemistry
-
Ionic Liquids / chemistry*
-
Kinetics
-
Microscopy, Electron, Scanning
-
Molecular Imprinting / methods*
-
Reproducibility of Results
-
Sensitivity and Specificity
-
Solid Phase Extraction / methods*
-
Spectroscopy, Fourier Transform Infrared
-
Sulfonamides / analysis
-
Sulfonamides / chemistry
-
Sulfonamides / isolation & purification*
-
Triazines / analysis
-
Triazines / chemistry
-
Triazines / isolation & purification*
-
Vinyl Compounds / chemistry
-
Water Pollutants, Chemical / analysis
-
Water Pollutants, Chemical / chemistry
-
Water Pollutants, Chemical / isolation & purification*
Substances
-
Imidazoles
-
Ionic Liquids
-
Sulfonamides
-
Triazines
-
Vinyl Compounds
-
Water Pollutants, Chemical
-
chlorsulfuron