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henianzhi

金虫 (小有名气)

[求助] Pt/Al2O3催化剂颜色问题

帮忙描述下Pt/Al2O3催化剂制备过程,浸渍,烘干,焙烧,还原(H2)后的颜色过程,谢谢!
购买的Pt/Al2O3催化剂是什么颜色的呢?谢谢了

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hxp207

木虫 (著名写手)

【答案】应助回帖

henianzhi(金币+5): 2011-11-15 12:40:22
还原前一般是淡灰白色,还原后是黑灰色
2楼2011-11-14 23:04:32
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yufh2850026

金虫 (小有名气)

不知你做的哪种类型催化剂----蛋壳、蛋黄、蛋清?蛋壳型的还原前为土灰色,还原后是黑色的。
3楼2011-11-17 12:12:57
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