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In a typical experiment, a sample of 300 mg dry, activated A and 500 mg B were placed in a two-chamber-tube separated by a glass frit  and were kept at  300C in a 5 mbar (diffusion pump) static/dynamic vacuum for 12h.
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A sample of 300 mg C was placed in a steel autoclave (Parr) and was reduced in a hydrogen atmosphere (100 bar, 100 oC) for 1 d and yielded a black powder.

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[ Last edited by hljiang on 2008-9-20 at 18:20 ]
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