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hhxxa

金虫 (正式写手)

[求助] 石墨相比活性炭是疏水的吗 已有2人参与

请问石墨相对于活性炭是疏水的吗,活性炭经石墨化处理之后会疏水吗
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zyj198971

银虫 (正式写手)

【答案】应助回帖

感谢参与,应助指数 +1
石墨烯外围亲水,内层疏水。
用心做学问
2楼2014-03-13 20:37:21
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hhxxa

金虫 (正式写手)

引用回帖:
2楼: Originally posted by zyj198971 at 2014-03-13 20:37:21
石墨烯外围亲水,内层疏水。

是石墨,不是石墨烯
3楼2014-03-13 20:48:05
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iSCIpapers

木虫 (正式写手)

大叔还年轻

【答案】应助回帖

感谢参与,应助指数 +1
1. 石墨是疏水的
2. 活性炭通常不能被石墨化,但高温处理后会疏水

石墨就是C6连在一起,没有官能团,所以疏水
活性炭表面通常含有一定量的氧,所以亲水;但高温处理,这些官能团和杂原子会跑掉,所以疏水
“The elemental composition of a typical activated carbon has been found to be 88% C, 0.5% H, 0.5% N, 1.0% S, and 6 to 7% O, with the balance representing inorganic ash constituents. The oxygen content of an activated carbon can vary, however, depending on the type of the source raw material and the conditions of the activation process.”
4楼2014-03-13 23:20:20
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