| Specifications |
| Assay (HClO4 titration, on dried
substance) |
99-101% |
| Chloride (Cl) |
Max 0.02% |
| Sulphate (SO4) |
Max 0.02% |
| Selenium (Se) |
Max 0.003% |
| Heavy metals (as Pb) |
Max 0.002% |
| Iron (Fe) |
Max 0.001% |
| Ammonium (NH4) |
Max 0.0005% |
| Loss on drying (at 105 deg C) |
Max 0.5% |
| Sulphated ash |
Max 0.1% | |
|