Citation: Ying Cai, Zhi Hong Yan, Ying Chun Lv, Min Zi, Li Ming Yuan. High-speed countercurrent chromatography for purification of single-walled carbon nanotubes[J]. Chinese Chemical Letters, ;2008, 19(11): 1345-1348. doi: 10.1016/j.cclet.2008.07.018 shu

High-speed countercurrent chromatography for purification of single-walled carbon nanotubes

a Department of Chemistry, Yunnan Normal University, Kunming 650092, China;
b Key Laboratory of Ministry of Education, Jiangxi University of Chinese Traditional Medicine, Nanchang 330004, China

Received Date: 19 May 2008

Fund Project: The work is supported by National Natural Science Foundation (No. 20775066) and Yunnan Province's Natural Science Foundations of China (Nos. 2005E0006Z and 2007B203M).

A new chromatographic purification of single-walled carbon nanotubes using high-speed countercurrent chromatography is reported.The purification was accomplished on the basis of experiment that dispersed the single-walled carbon nanotubes with sodium dodecyl sulfate,and the result mixture was separated using the two phase system composed of n-butanol/water=1/1 (v/v).The sizes of SWNTs separated were observed by scanning electron microscopy.The results demonstrated that the high-speed countercurrent chromatography possessed a good efficency for purification of single-walled carbon nanotubes.
- High-speed countercurrent chromatography,
- Purification,
- Sodium dodecyl sulfate,
- Single-walled carbon nanotubes
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