Diffusion pathways of sodium and cesium ions in the particles of titanium(IV) antimonate

Novel inorganic ion exchange materials based on silicates; synthesis, structure and analytical applications of magneso-silicate and magnesium alumino-silicate sorbents

“…Analysis of the exchange materials for the elemental composition was carried out by X-ray fluorescence technique. The data obtained indicated that the percent of Mg and Si in magnesosilicate equal 6.65 and 42.26%, respectively, and the percent of Mg, Al and Si in magnesium alumino-silicate equal 2.69, 13 for magneso-silicate and magnesium alumino-silicate, respectively. The structure modeling and the arrangement of atoms in both magneso-silicate and magnesium alumino-silicate can predict according to ChemDraw Ultra program and represented as following;…”

“…The development of new inorganic ion exchangers with characteristic properties is still need attention and their utility in diverse fields is yet to be explored. Titanates [4][5][6][7][8][9][10][11][12], antimonates [13][14][15], molybdates [16,17], silicates [18], vanadates [19], doped silica [20] and zeolites [21] based exchangers have been reported earlier from our laboratory and in literature, but magneso-silicate and magnesium aluminosilicate have not been reported. The idea of the present work was stimulated from the consideration the heteropolybasic acid salts show better ion exchange properties than their corresponding single salts.…”

Structural development Of TMMA and SSQXN‐8 as porous chelating resins

“…The obtained results are plotted as ion uptake by resin versus time. Figures 11–16 show that the mentioned three lanthanide ions experienced a superfast kinetics when compared with other organic and inorganic resins17–19; a fraction of an hour is sufficient to maintain equilibrium. Also, it can be observed from these figures that the rate of uptake of any ion by the SSQXN‐8 resin is faster than that the corresponding TMMA one; the order of the rates have increased with increasing the reaction temperature.…”

Diffusion mechanism of cesium, cobalt and cadmium ions in the particles of tin vanadate as a cation exchanger

“…5 It is of interest to compare the values of D i obtained for Cs + , Co 2+ and Cd 2+ on SnV with that previously reported using other inorganic exchangers. The D i values given by Shady and El-Gammal [ 22] for Na + /H + and Cs + /H + exchange system on titanium(IV) antimonate were 0.72x10 -12 and 0.98x10 -12 cm 2 s -1 respectively. The D i values given by El-Naggar, Mowafy and Abdel-Galil [6] for Cs + /H + , Co 2+ /H + and Eu 3+ /H + exchange system on SiTi were 4.03x10 7 , 2.98x10 7 and 4.25x10 7 respectively.…”