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Density Gradient Ultracentrifugation on Carbon Nanotubes According to Structural Integrity as a Foundation for an Absolute Purity Evaluation
Author(s) -
Backes Claudia,
Bosch Sebastian,
Mundloch Udo,
Hauke Frank,
Hirsch Andreas
Publication year - 2011
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.201100258
Subject(s) - ultrapure water , carbon nanotube , analytical ultracentrifugation , density gradient , ultracentrifuge , nanotechnology , chemistry , foundation (evidence) , materials science , chromatography , physics , archaeology , quantum mechanics , history
Ultrapure: The absolute purity of defect‐free and structurally perfect single‐walled carbon nanotubes in a bulk sample can be determined with density gradient ultracentrifugation (see picture). The experimental protocol offers a quick and reliable tool and is applicable to a broad variety of nanotube materials to evaluation production and purification procedures.
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