| Test |
Specification |
Actual value |
| Assay (dry basis) | 99.5-100.5 % | 100.1 % |
| Acidity or Alkalinity | passes test | passes test |
| Appearance of solution | passes test | passes test |
| Bromides and Iodides | passes test | passes test |
| Calcium (Ca) | max. 200 ppm | < 10 ppm |
| Heavy Metals (as Pb) | max. 10 ppm | < 10 ppm |
| Identification | passes test | passes test |
| Iron (Fe) | max. 20 ppm | < 3 ppm |
| Loss on Drying | max. 0.5 % | 0.1 % |
| Sulfated Ash | max. 0.1 % | < 0.1 % |
| Sulfates (as SO4) | max. 150 ppm | < 150 ppm |
| Additional Specification(s): | | |
| Limit of thiocyanate (SCN) | passes test | passes test |
| pH of 5% Solution at 25°C | 4.6-6.0 | 4.9 |
