|
TEST
|
| 1. Assay 98.5% min. |
| 2. Insoluble in dilute sulfuric acid 0.05% |
| 3. Appearance - Yellow-orange crystals |
| 4. Chloride 0.01% |
| 5. Phosphate 0.02% |
| 6. Calcium 20 ppm |
| 7. Cadmium 3 ppm |
| 8. Cobalt 3 ppm |
| 9. Copper 3 ppm |
| 10. Iron 20 ppm |
| 11. Lead 20 ppm |
| 12. Magnesium 1 ppm / Manganese 3 ppm |
| 13. Nickel 3 ppm / Potassium 20 ppm |
| 14. Sodium 30 ppm / Zinc 3 ppm |