|
Scheelite Specification
First Grade WO3 = 60.0% minimumSecond Grade WO3 = 50.0% minimum
PHYSICAL PROPERTIES
Appearance: Uniform particle size free of extraneous material
Particle Size: <800 Microns or 1/32”
MAXIMUM IMPURITY CONTENT (%)
|
MnO
|
18
|
|
SiO2
|
5
|
|
P
|
0.1
|
|
S
|
1
|
|
As
|
0.1
|
|
Sn
|
0.6
|
|
Cu
|
0.1
|
|
Mo
|
0.06
|
|
CaO
|
2.5
|
|
Pb
|
0.2
|
|
Sb
|
0.2
|
|
Bi
|
0.2
|
|
H2O
|
2
|
|
|
