item |
Particle size(nm) |
purity(%) |
BET(m2/g) |
Buil density(g/cm3) |
crystal |
color |
Nano grade |
50 |
>99.9 |
12.3 |
0.62 |
Ball |
Black purple |
Sub micron grade |
600 |
>99.5 |
2.3 |
1.60 |
ball |
Gray green |