D'D'ammonium Metatungstate Tungsten
Grade |
AMT-1A |
AMT-2A |
|
AMT-1B |
AMT-2B |
||
AMT-1C |
AMT-2C |
||
Pureté Min.(%) |
99.95 |
99.90 |
|
Main Comp WO3 MIN.(%) |
83.0 |
83.0 |
|
Contenu de Max chimique autre élément. (%) | Al |
0.001 |
0.001 |
As |
0.001 |
0.001 |
|
Bi |
0.0001 |
0.0001 |
|
Ca |
0.001 |
0.003 |
|
Cr |
0.001 |
0.001 |
|
Cu |
0.001 |
0.003 |
|
Fe |
0.002 |
0.003 |
|
K |
0.0015 |
0.002 |
|
Mg |
0.001 |
0.002 |
|
Mn |
0.001 |
0.001 |
|
Mo |
0.005 |
0.01 |
|
Na |
0.0015 |
0.002 |
|
Ni |
0.001 |
0.001 |
|
P |
0.001 |
0.003 |
|
Pb |
0.0001 |
0.0001 |
|
S |
0.0005 |
0.001 |
|
Sb |
0.001 |
0.002 |
|
Si |
0.001 |
0.002 |
|
Sn |
0.0001 |
0.0003 |
|
Ti |
0.001 |
0.002 |
|
V |
0.001 |
0.002 |
|
Matière non dissous dans l'eau Max | 0.5 |
0.5 |
|
PH Valeur | 3.0-4.5 |
3.0-4.5 |
Aspect: poudre blanche ou jaune pâle crytallized.