Carboxyl single Walled Carbon Nanotube aqueous dispersion

Carboxyl group of high purity single Walled Carbon Nanotube aqueous dispersion; SWCNT-COOH content: 0.8-1 wt%; Composition: TNSC, non-ionic surfactant, H2O; Stability: Centrifuge treatment for 0.5 hours with 4000rpm