| Assay: | ≥99.5% MoO3 |
| MAXIMUM ALLOWABLE | |
| Insoluble in dilute ammonium hydroxide: | 0.01% |
| Chloride (Cl): | 0.002% |
| Nitrate (NO3): | Passes test |
| Arsenate, phosphate, and silicate (as SiO2): | 0.001% |
| Phosphate (PO4): | 5 ppm |
| Sulfate (SO4): | 0.02% |
| Ammonium (NH4): | 0.002% |
| Heavy metals (as Pb): | 0.005% |