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Abstract: Abstract: Highly sensitive flow-injection chemiluminescence (CL) combined with molecularly imprinted solid-phase extraction (MISPE) has been used for determination of 2,4-dichlorophenol (2,4-DCP) in water samples. The molecularly imprinted polymer (MIP) for 2,4-DCP was prepared by non-covalent molecular imprinting methods, using 4-vinylpyridine (4-VP) and ethylene glycol dimethacrylate (EGDMA) as the monomer and cross-linker, respectively. 2,4-DCP could be selectively adsorbed by the MIP and the adsorbed 2,4-DCP was determined by its enhancing effect on the weak chemiluminescence reaction between potassium permanganate and luminol. The enhanced CL intensity was linear in the range from 1 x 10-7 to 2 x 10-5 g mL-1. The LOD (S/N = 3) was 1.8 x 10-8 g mL-1, and the relative standard deviation (RSD) was 3.0% (n = 11) for 1.4 x 10-6 g mL-1. The proposed method had been successfully applied to the determination of 2,4-DCP in river water
Template and target information: 2,4-dichlorophenol, 2,4-DCP
Author keywords: molecularly imprinted polymer, 2,4-Dichlorophenol, Flow chemiluminescence, molecularly imprinted solid-phase extraction