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清欣悦雨

新虫 (初入文坛)

[求助] 竹炭吸附甲醛气体

谁知道用什么方法吸附,怎么测吸附了多少呢??

[ Last edited by 清欣悦雨 on 2012-2-14 at 14:01 ]
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wk庄子

金虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
fds329(金币+1): 感谢回帖 2012-02-27 00:50:25
这涉及到表面化学的知识,如果没错的话是因为dG=γdA+Adγ
恒温恒压下,系统吉布斯函数减少的过程为自发过程。上式表明,减少界面面积或降低界面张力可降低吉布斯函数,使其自发。竹炭吸附气体为界面面积不变,界面张力减小的例子,因此能进行。
众生渡尽,方正菩提!
2楼2012-02-15 21:12:39
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