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Silver colloids have been prepared by reducing AgNO 3 in aqueous solution and embeded in alumina following a sol–gel procedure in the presence of Pluronic 84 ((EO) 19 (PO) 39 (EO) 19 ), as surfactant. Plasma-catalytic experiments aimed at the mineralization of toluene showed that the selectivity to CO 2 was significantly increased in the presence of Ag catalysts...
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