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北京石油化工学院2026年研究生招生接收调剂公告
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zhouxuejin250

金虫 (小有名气)

[求助] 关于多壁碳纳米管 含氧问题

大家好!
小弟 正开始用多壁碳纳米管,做的是对有机物的吸附 有个问题想请教下 关于多多壁碳纳米管含氧量MWCNTs-O  这个指标是怎么来的?  买来的多壁碳纳米管未功能化的 含不含氧?   看到很多文章都是对 MWCNTs8, MWCNTs30, MWCNTs50 以及与MWCNTs-O这个的进行吸附对比   多壁碳纳米管不是本来就应该含氧吗?

MWCNTs were purchased from Chengdu Organic Chemistry Co.
Ltd., Chinese Academy of Sciences. These MWCNTs were synthesized
from ethylene/nitrogen (C2H4/N2 = 3/2) mixture by chemical
vapor deposition at 823K using Fe/Al2O3 catalyst. MWCNTs with
outer diameters of <8 nm, 30–50nm and >50nm were designated
as MWCNTs8, MWCNTs30, MWCNTs50, respectively. According
to the contained oxygen contents other MWCNTs with outer
diameters of 10–20nm were designated as MWCNTs-O(1.52%),
MWCNTs-O(2.66%) and MWCNTs-O(7.58%), respectively.
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hjyu0513

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【答案】应助回帖

zhouxuejin250(金币+2): 2011-06-06 12:00:00
zhouxuejin250(金币+3): 2011-06-16 08:01:27
可能会有少量的氧,做红外能测出氧的含量吧
2楼2011-06-05 22:33:02
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