| Results | Limits | |
| Appearance: | White Powder | |
| Assay: | 99.3% | 97.5-100.5% |
| Identification: | passes test | |
| pH: | < 3 ppm | 3 ppm max. |
| Arsenic: | < 10 ppm | 10 ppm max. |
| Heavy Metals(as Pb): | < 10 ppm | 10 ppm max. |
| Sulfide: | < 2 ppm | 2 ppm max. |
| Acid soluble barium salt: | < 0.001% | 0.3% max. |
| Particle size: | 0.7 Micron |