Abstract
The pore structure of the titanosilicate mesoporous molecular sieve [Si, Ti]-MCM-41 has been examined by N2 sorption and 1H NMR. Pore sizes determined by both methods are in good agreement. Titanosilicate MCM-41 has a broader pore size distribution than the purely siliceous material, and the diameter of its pores is larger. The thickness of the pore walls, calculated by subtracting the pore diameter from the unit cell parameter, increases with the incorporation of titanium into the framework.
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