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The obtained sample (Sa = 190 m2/g; Pt dispersion = 82%) was impregnated with an aqueous solution
of Ba(CH3COO)2 (Strem Chemical, 99%) and further calcined
at 500 C for 5 h to prepare the ternary Pt¨CBa/¦Ã-Al2O3 catalyst
(Sa = 137 m2/g; Pt dispersion = 70%).


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