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Reference type: Journal
Authors: Dong J, Li LC, Jiang ZW, Zhang G, Sun T
Article Title: Sampling of Phenol in Water by Diffusive Gradients Using Thin Film Technique.
Publication date: 2014
Journal: Chemistry Letters
Volume: 43
Issue: (7)
Page numbers: 1164-1166.
DOI: 10.1246/cl.140231

Abstract: For the first time, new diffusive gradients in thin film (DGT) device using molecularly imprinted polymers as the binding agents and the nylon membrane as the diffusive layer have been developed for the sampling of phenol in water. The diffusion coefficient of phenol through the nylon membrane was 0.79 x 10-6 cm2 s-1, which was measured by the diffusion cell method. The binding agent of the DGT device was prepared by precipitation polymerization by molecularly imprinted technique using methacrylic acid as the functional monomer and ethyleneglycodimethacrylate as the crosslinker. The accumulated mass of phenol by the DGT device increased linearly with time (R2 = 0.9940). The ratio of the concentrations sampled by the DGT device to the concentration of the bulk solution was 0.97 - 0.06. The results confirmed that the developed DGT device was suitable for the quantitative sampling of phenol in aqueous solution. The performance of the DGT device was independent of pH in the range 3-7 and ionic strength 0.0001-0.1 mol L-1. As a conclusion, the DGT device can be used for accurately sampling phenol in water
Template and target information: phenol

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