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chenlan124

铜虫 (正式写手)

[求助] RhCl3的还原和分散

请问在纳米碳上负载Rh,要求分散性好,除了NaBH4外,用什么还原剂好?另外Rh与Ru,Pt等比起来,谁最难被还原啊?

用EG的话,因为还原能力差,好像要150度以上才能还原吧?
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aten

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【答案】应助回帖

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chenlan124(金币+4): ★有帮助 2012-03-08 16:16:47
给你提供一个金属的氧化还原电势表,显然Ru最难被还原,Rh你可以用甲酸还原试试看,最好加热还原,乙二醇没有试过,估计比较悬,一般采取在170度左右还原
Ru(2+) 0.45
Rh(2+) 0.6
Hg 0.7961
Ag 0.7996
Os(2+) 0.85
Pd 0.92
Ir 1.15
Pt 1.2
2楼2012-03-08 08:11:21
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