Research Article

Cr(VI) Removal from Aqueous by Adsorption on Amine-Functionalized Mesoporous Silica Prepared from Silica Fume

Figure 1

(a) Nitrogen adsorption isotherm of MCM-41. (b) TEM image of the MCM-41. (c) XRD patterns of the MCM-41 and NH2-MCM-41. (d) SEM image of NH2-MCM-4.
765856.fig.001a
(a)
765856.fig.001b
(b)
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(c)
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(d)