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Mesoporous SBA-15 was functionalized with imidazole groups by a facile two-step post-grafting method. The resultant material has been characterized by powder X-ray diffraction, N 2 adsorption/desorption measurements, FT-IR, NMR and elemental analysis to confirm the ordered mesoporous structure and the functionalization of the imidazole groups and employed as an adsorbent of Cr(VI) from aqueous...
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