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colourfast00

铜虫 (小有名气)

[求助] 测负载Ag的分散度 有效比表面积,用什么做吸附分子?

我想测氧化铝担载Ag的分散度,即表面Ag含量,有效比表面积。打算用静态吸附法。用什么气体做探针分子好呢?H2?CO?C2H4?  负载的Ag既有氧化银又有单质成分。我担心H2或CO 的吸附作用不强。
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duyuhai

铁杆木虫 (正式写手)

用氢氧滴定的办法测
2楼2011-08-18 19:07:26
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colourfast00

铜虫 (小有名气)

我查了一下,好像得用O2来测,呵呵
3楼2011-08-19 11:18:43
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