|
| Item | USP | BP/EP | CP |
|---|---|---|---|
| Identification | Conforms | ||
| pH | 4.5-7.0 | ||
| Loss on drying (%) | ≤14.0 | ≤15.0 | ≤14.0 |
| Residue on Ignition/Sulfated ash (%) | ≤0.5 | ≤0.6 | ≤0.5 |
| Iron (%) | ≤0.002 | ||
| Sulfur Dioxide (%) | ≤0.008 | ≤0.005 | ≤0.004 |
