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hzh556

木虫 (著名写手)


[交流] 纳米钯,铑,钌是否稳定? 该怎么保存?

纳米钯,铑,钌是否稳定? 该怎么保存?

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andyyyu

铁杆木虫 (著名写手)


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小木虫: 金币+0.5, 给个红包,谢谢回帖
cxqtitan: 金币+1, 谢谢分享 2013-04-26 08:26:52
hzh556: 金币+4 2013-08-28 23:05:24
hzh556: 金币+4 2013-08-28 23:05:30
纳米级的金属如果没有担载到载体上独立存在肯定是不稳定的,因为表面能很高。如果要想保存只有降低其表面能或是表面钝化,如加入到大分子有机溶剂中,大分子起到隔离保护作用,但要考虑是否易于分离;或是采用弱氧化剂使其表面钝化,使用时再还原。
2楼2013-04-26 07:27:50
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