Mesoporous lanthanum phosphate was synthesized by supramolecular self-assembly of cetyltrimethylammonium bromide and lanthanum nitrate following digestion in phosphoric acid. TGA-DTA, XRD and SEM were employed to study the uncalcined and calcined materials. Sorption behavior of Cr(III), Mn(II), Fe(III), Co(II), Ni(II), Cu(II), Zn(II), Cd(II), Ba(II), Hg(II) and Pb(II) cations was studied on such materials in water, 3 mol•L -1 ammonia, 0.01 mol•L -1 potassium ferrocyanide and 0.01 mol•L -1 potassium ferricyanide solutions.
A new phase of titanium phosphate with a highly organized porous framework has been synthesized by a non-thermal digestion method. FTIR, TGA-DTA, XRD and SEM have been employed to study the primary product, calcined and digested materials. Pore diameters in the range of 22-90 Å have been obtained for the digested material as determined by nitrogen absorption measurements. Quantitative removal of copper(II) phthalocyanine and its derivative from aqueous medium have been achieved.
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