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Updated: Jun 20, 2026

Fabrication of a Dipole-assisted Solid Phase Extraction Microchip for Trace Metal Analysis in Water Samples
Published on: August 7, 2016
Simultaneous enrichment-separation of metal ions from environmental samples by solid-phase extraction using
Mustafa Soylak1, Yunus Emre Unsal
1University of Erciyes, Faculty of Science & Arts, Chemistry Department, 38039, Kayseri, Turkey. soylak@erciyes.edu.tr
Abstract:
A solid-phase extraction (SPE) method has been developed using a column filled with double-walled carbon nanotubes for the preconcentration-separation of Co(II), Cu(II), Ni(II), Pb(II), Fe(III), and Mn(ll) ions. Experimental parameters, including pH of the solution, sample volume, flow rate of the sample solution and eluents, etc., were investigated. Quantitative recoveries for the anayte ions were obtained at pH 9.0 with 2 M HNO3 eluent at a flow rate of 2 mL/min. The influences of matrix ions were also investigated. The preconcentration factor was 100. Addition and recovery experiments for analyte ions in real water samples gave good results. The validity of the presented SPE method was tested by analysis of HR-1 Humber River Sediment certified reference material for each element.
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