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Journal of Catalysis 238 (2006) 369¨C381
Journal of Catalysis 256 (2008) 226¨C236
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Journal of Catalysis 252 (2007) 312¨C320
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Éî°®¶÷Îõ(½ð±Ò+5): лл 2011-06-02 16:20:07
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In order to remove Mn particles from the outer surface,a leaching procedure with a 1 N HCl solution was carried out. The samples were first immersed in n-hexane,foll owed by a fast washing with the HCl solution at room temperature. The Mn inside the pores was therefore protected from leaching as the pore system was preliminarily filled up with n-hexane.

Äã¿ÉÒÔ¿´Ò»ÏÂÕâÆªÎÄÏ×£ºMicroporous and Mesoporous Materials 54 (2002) 51¨C61
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