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Table 1 MWCNT Characterization [19]

From: Respiratory and systemic impacts following MWCNT inhalation in B6C3F1/N mice

Manufacturer Sun Innovations
Average Diametera 15 nm (N = 90)
Length Estimateb 2.6 um (N = 102)
Purityc 99%
Elemental Analysisd
 C 97%
 H, N, S < 0.5%
 Ni 0.52%
 Cl, Co, Fe, Cu < 0.01%
Surface Compositione
 C 98%
 O 2%
 Average Surface Areaf 175m2/g
 Skeletal Densityg 2.0 g/cm3
 Zeta potentialh −30 mV
  1. aTEM Transmission electron microscopy
  2. bSEM Scanning electron microscopy
  3. cTGA Thermogravimetric analysis
  4. dCarbon, hydrogen, nitrogen and sulfur determined by C,H,N,S analyzer. Ni presence indicated by EDS spectra
  5. Ni, Cl, Co, Fe and Cu quantitated by NAA
  6. eXPS survey scan
  7. fBET analysis
  8. gHelium gas picnometry
  9. hElectrophoretic velocimetry
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