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- Adeyemi, David; Mokgadi, Janes; Darkwa, James; Anyakora, Chimezie; Ukpo, Grace; Turner, Charlotta; Torto, Nelson
- Chromatographia 2011 v.73 no.9-10 pp. 1015-1020
- DDE (pesticide); adsorbents; adsorption; desorption; gas chromatography; monitoring; nanofibers; pollutants; polystyrenes; potassium; solvents; temperature
- ... Electrospun polystyrene (PS) nanofibers (130-500 nm) incorporating a potassium salt of imidazole-1-carbodithioate were evaluated as potential sorbents for the pre-concentration of a model organochlorine pesticide; 1,1-dichloro-2,2bis-(4-chlorophenyl)ethylene (DDE). The efficiencies of DDE (0.25-1.0 μg L⁻¹) adsorption by the nanofiber sorbent followed by desorption employing pressurized hot water e ...