| Test | Specification | Method |
|---|---|---|
| Appearance | Off-white to yellowish powder | Visual |
| Assay | ≥ 98.0% | HPLC |
| Particle Size | 40 Mesh: 100% Pass | Sieve |
| Bulk Density | 0.3 – 0.5 g/cc | USP |
| Tapped Density | 0.5 – 0.7 g/cc | USP |
| Heavy Metals | ≤ 10 ppm | ICP |
| Lead | ≤ 0.1 ppm | ICP |
| Cadmium | ≤ 1 ppm | ICP |
| Mercury | ≤ 0.1 ppm | ICP |
| Arsenic | ≤ 1 ppm | ICP |
| Plate Count | ≤ 1000 | Method |
| Yeast | ≤ 100 | Method |
| Salmonella | Negative | USP |
| E. coli | Negative | USP |