| Appearance | Black powder | Visual inspection |
| Average CNT Diameter | 1.6±0.4 nm | TEM |
| Carbon Nanotube Length | >5μm | AFM、EDX |
| Carbon Content | ≥99% | TGA、EDX |
| Single-Walled CNT Content | ≥95% | TEM |
| G/D Ratio | 93 | Raman、532 nm |
| CNT Wall Number | 1 | TEM |
| Specific Surface Area (BET) | 1160m²/g | BET |
| Moisture Content | <5% | Infrared Thermogravimetric Analysis |