Test item | USP | EP | |
Identification | Passes test | Passes test | |
Content (MgCl2·6H2O) | 98.0-101.0% | 98.0-101.0% | |
Insoluble matter | ≤ | 0.005 % | --- |
pH | 4.5-7.0 | --- | |
Acidity or Alkalinity | --- | Passes test | |
Barium | Passes test | --- | |
Bromides | ≤ | --- | 500 ppm |
Sulfates | ≤ | 0.005 % | 100 ppm |
Aluminium | ≤ | 1 ppm | 1 ppm |
Arsenic | ≤ | --- | 2 ppm |
Calcium | ≤ | 0.01 % | 0.1 % |
Iron | ≤ | --- | 10 ppm |
Potassium | ≤ | Passes test | 500 ppm |
Heavy metals | ≤ | 10 ppm | 10 ppm |
Water | ≤ | --- | 51.0-55.0 % |