Complaint
| Item | Unit | BP 2012 | USP 35 | FCC 8 | E 330 |
| Characters | White Crystalline Powder, Colorless Crystals or Granules | ||||
| Identification | Pass Test | ||||
| Color & Clarity of Solution | Pass Test | Pass Test | / | Pass Test | |
| Assay | % | 99.5-100.5 | 99.5-100.5 | 99.5-100.5 | 99.5-100.5 |
| Water | % | 7.5-9.0 | 7.5-9.0 | ≤8.8 | 7.5-8.8 |
| Readily Carbonisable Substances | Not Darker than Standard | Not Darker than Standard | Pass Test | Pass Test | |
| Sulphated Ash | % | ≤0.1 | ≤0.1 | ≤0.05 | ≤0.05 |
| Sulphate | ppm | ≤150 | ≤150 | / | ≤150 |
| Oxalate | ppm | ≤360 | ≤360 | Pass Test | ≤100 |
| Calcium | ppm | / | / | / | ≤75 |
| Iron | ppm | / | / | / | ≤5 |
| Aluminum | ppm | ≤0.2 | ≤0.2 | / | / |
| Arsenic | ppm | / | / | / | ≤1 |
| Lead | ppm | / | / | ≤0.5 | ≤0.5 |
| Mercury | ppm | / | / | / | ≤1 |
| Heavy Metals | ppm | ≤10 | ≤10 | / | ≤5 |
| Bacterial Endotoxins | IU/mg | <0.5 | Pass Test | / | / |
| Volatile Organic Impurities | / | / | / | Pass Test | |
| Tridodecylamine | ppm | / | / | ≤0.1 | / |
