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Four types of SBA-15 were prepared with different times and temperatures of treatment in order to obtain a range of micropore sizes. CO oxidation was used as a probe reaction in order to evaluate the nature of the active species when SBA-15s were doped with ca 10% Ag deposited from an AgNO 3 solution and calcined or reduced at 350°C. The texture (TEM, nitrogen physisorption), structure (XRD)...
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