| ≥1 piece |
|
Items |
Specification |
|
PURITY |
99.2-100.5% MIN |
|
CL |
0.003% MAX |
|
SO4 |
0.007% MAX |
|
As |
0.0002% MAX |
|
Heavy metal (as pb) |
0.0005% MAX |
|
Residue (NON-VOLATILE) |
0.05% MAX |
|
PH |
7-7.7 |