Table 1.
Physicochemical properties of particles used in this study
| SWCNT | Crocidolite asbestos | |
|---|---|---|
| Manufacturer |
CNI |
NIEH, Kalahari Desert |
| Catalog reference |
Unidym™ |
CAS 12001-28-4 |
| Synthesis |
HiPco |
Natural |
| Purification |
Acid treatment |
- |
| BET surface area (m2/g) |
400-1040 |
9.8 |
| Dry mean length (L) (μm) |
0.1-1 |
210 |
| Dry mean width (W) (nm) |
0.8-1.2 |
10 |
| % carbon (w/w) |
> 99% |
- |
| % metal impurity (w/w) |
|
|
| Fe |
0.23% |
31.8% |
| SiO2 |
- |
50.9% |
| Other trace metals | Not detectable | 6.2% |