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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%). ¾äÖеÄ"ternary Pt¨CBa/¦Ã-Al2O3 catalyst" ÊÇʲôÒâ˼ ÈýÖØµÄ´ß»¯¼ÁµÄÒâ˼Â𣿠ÊÇÒòΪÓÐPt Ba ºÍAl2O3 ÈýÖÖ²»Í¬µÄÎïÖʲŽÐÈýÖØ´ß»¯¼ÁÂ𣿠|
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