Complaint
| Item | USP | BP/EP | CP |
| Identification | Conforms | ||
| pH | 3.5-5.5 | 3.5-5.5 | 3.5-5.5 |
| Chlorides | -- | ≤250ppm | ≤0.011% |
| Loss on drying (%) | ≤2.5 | -- | ≤2.5 |
| Assay(%) | 99.0-100.5 | 99.0-100.5 | 99.0-100.5 |
| Loss on lgnition(%) | ≤2.0 | ≤5.0 | ≤2.0 |
