ITEM
|
VALUE
|
Appearance
|
White crystalline powder |
Assay %
|
≥99
|
Heavy metals | ≤20ppm |
Chloride(Cl) % |
≤0.01
|
Lead (Pb) % |
≤10ppm
|
Iron (Fe) % | ≤10ppm |
Chelating agent
|
220min
|
Sulphate% | ≤0.05 |
PH (5% solution)
|
10.5-11.5
|