1 article(s) from Haboubi, Khadija
- Full Research Paper
- Published 23 Jan 2019
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Scheme 1: Synthetic route of our modified chelating material.
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Figure 1: FTIR spectra of SiG, SiNH2 and SiNL.
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Figure 2: SEM images of free silica (SiG), SiNH2 and SiNL.
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Figure 3: Thermogravimetric profiles of free silica SiG, SiNH2 and SiNL.
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Figure 4: Nitrogen adsorption–desorption isotherm plots of SiG, SiNH2 and SiNL.
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Figure 5: Effect of pH on the adsorption of metal ions on SiNL, Adsorption dose: V = 10 mL, m = 10 mg of SiNL...
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Figure 6: Effect of contact time on the adsorption capacity of Zn(II), Pb(II), Cd(II) and Cu(II) ions. Adsorp...
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Figure 7: Pseudo-first-order and pseudo-second-order models fits for the adsorption of Zn(II), Pb(II), Cd(II)...
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Figure 8: Effect of concentration on metal ion adsorption onto SiNL. Adsorption dose: 10 mg, V = 10 mL, at 25...
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Figure 9: Langmuir and Freundlich adsorption models fits of Zn(II), Pb(II), Cd(II) and Cu(II)) on SiNL.
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Figure 10: Effect of temperature for the sorption of metal ions onto SiNL (shaking time 60 min, pH 6, adsorpti...
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Figure 11: Effect of metal ions on the extraction of Zn(II) with SiNL. (shaking time: 25 min, pH 6, T = 25 °C....
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