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mha

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[交流] 【求助】铂纳米粒子在空气中会被氧化吗 已有5人参与

我做的是铂负载型催化剂,先做出铂溶胶这时铂已是零价的了,然后吸附,干燥,焙烧。铂只有几个纳米,在空气中会被氧化吗
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林深之夏

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2楼: Originally posted by americanyk at 2010-05-24 16:06:55
For short time, it is stable. You can put your samples in dessicator or in silicon gel. In air, the water will also influence the stability of your catalyst.

请问层主,在干燥的条件下更稳定吗?
哦哦哦!加油啊!
6楼2016-01-16 13:42:00
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americanyk

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催化大师(金币+1):谢谢指点,欢迎常来催化版讨论! 2010-05-24 16:37:08
mha(金币+1): 2010-05-25 10:22:55
For short time, it is stable. You can put your samples in dessicator or in silicon gel. In air, the water will also influence the stability of your catalyst.
2楼2010-05-24 16:06:55
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qcm200

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mha(金币+1): 2010-05-25 10:23:01
Definitely will be. But using passivation treatment after calcination can prevent particles from growing up
3楼2010-05-24 18:22:31
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yongyong2050

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路过,学习下~~~~~~~~~
4楼2010-05-25 08:25:21
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