| Mo
|
<
800 ppm
|
| Fe
|
< 250 ppm
|
| Cu
|
< 20 ppm
|
| Na
|
< 15 ppm
|
| K
|
< 10 ppm
|
| Mg
|
< 40 ppm
|
| Ca
|
< 30 ppm
|
| Si
|
< 30 ppm
|
| S
|
< 10 ppm
|
| N2
|
< 50 ppm
|
| Al
|
< 20 ppm
|
Co
|
< 50 ppm
|
Cr
|
< 200 ppm
|
Ni
|
< 100 ppm
|
O2
|
< 2000 ppm
|
C
|
< 20 ppm
|
Average Particle size
|
1 to 15µFsss
|
Apparent density
|
2.5 to 5.5gms/cc
|
Tap Density
|
3.5 to 7.5gms/cc
|
|
|
|
|
|
