| ≥1 piece |
|
Parameters |
Standard |
|
Assay % |
98.2-102.0 |
|
Chloride |
≤ 700ppm |
|
Heavy Metal(as Fe) |
≤ 20ppm |
|
Sulfate |
≤ 500ppm |
|
As |
≤ 3ppm |
|
Pb |
≤ 10ppm |
|
Water |
≤ 1.0 |
|
pH value |
6.5-6.7 |
|
Reducing Materials % |
≤ 0.5 |