Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 20, Issue 5, Pages 2680-2686Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2013.10.055
Keywords
Nano-TiO2; 2-Mercaptobenzothiazole; Preconcentration; Copper; Cadmium; Lead
Funding
- Shahid Chamran University, Ahvaz, Iran [1392]
- Iranian Nanotechnology Initiative Council
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Nano-TiO2 modified with 2-mercaptobenzothiazole (MBT) was investigated as a new adsorbent for preconcentration of Cd(II), Cu(II) and Pb(II). The metal ions are adsorbed onto nano-TiO2-MBT, eluted by nitric acid and determined by flame atomic absorption spectrometry. The parameters affecting the adsorption were investigated. Under optimized conditions, the calibration curves were linear in the range of 0.2-25.0, 0.2-20.0, and 3.0-70.0 ng mL(-1) for cadmium, copper and lead, respectively. The limits of detection for Cd(II), Cu(II) and Pb(II) were 0.12, 0.15 and 1.38 ng mL(-1), respectively. The method was applied to determination of Cd(II), Cu(II) and Pb(II) in water and ore samples. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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