| Test Item | USP/BP/EP Standards | CP Standards |
|---|---|---|
| Identification | Conforms | Conforms |
| Solubility | Conforms | Conforms |
| Loss on drying (%) | ≤6.0 | ≤5.0 |
| Chlorides (%) | ≤0.1 | - |
| Sulfate (%) | ≤0.1 | ≤0.6 |
| Lead (ppm) | ≤10 | - |
| Cadmium | ≤3ppm | 0.0003% |
| Nickel | ≤5ppm | 0.0005% |
| Relative Content of Stearic Acid and Palmitic Acid (%) | ≥40.0 | ≥90.0 |