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5Â¥: Originally posted by wangtehua at 2015-03-27 20:08:09
Then, the composite,
i.e., MCM-41/C was pyrolised in a nitrogen flow at 900

C for 2 h, in
order to carbonise the polymer. Afterwards, the silica/carbon composite was leached with HF 10%  ...

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4Â¥: Originally posted by wangtehua at 2015-03-27 20:04:58
A 1.0 g of the mesoporous SBA-15 was dispersed in 40 mL
of n-hexane (Synth, 99 wt%) with stirring for 3 h. Then, 1 mL of the
nitrate solution was added to the latter mixture dropwise with vigorous ...

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