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January 15th, 2008
Picking armchairs from zigzags
Abstract:
Nanotechnology researchers have spent the past few years developing a whole range of methods for separating different types of single-walled carbon nanotube (SWNT), from centrifuging them in a density gradient to attaching diazonium salts and then separating them by electrophoresis. But it now looks as though ion exchange chromatography (IEC) might provide the best solution, not just being able to separate metallic SWNTs from semi-conducting SWNTs but able to separate every type of SWNT according to its specific electrical properties.
Source:
separationsnow.com
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