|
Name |
Superior grade |
|
Ni |
22.0% Min |
|
Co |
0.002% Max |
|
Fe |
0.001% Max |
|
Cu |
0.001% Max |
|
Mn |
0.001% Max |
|
Na |
0.003% Max |
|
Ca |
0.01% Max |
|
Zn |
0.001% Max |
|
Cd |
0.001%Max |
|
Insoluble matter |
0.02% Max |