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Further indication that the dehydration temperature has no effect on the acidity of the silanols was obtained from the absence of a shift in the position of the 1705 cm-1 peak for n-butanal adsorbed on silanol groups. All these results taken together indicate that the temperature of silica dehydration does not alter the acidity of the silanol groups for the conditions used in this study. |
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Shirley89: ½ð±Ò+5, ·ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú 2015-03-29 14:52:55
Shirley89: ½ð±Ò+5, ·ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú 2015-03-29 14:52:55
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