| Assay (T dry) | 98.0-101.0%w/w |
| Water (KF) | max. 2%w/w |
| Grad. elution H.Peak at 254nm | max. 0.004AU |
| Fluorescence 254nm (0.1% as Quinine) | max. 1.0ppb |
| Fluorescence 365nm (0.1% as Quinine) | max. 1.0ppb |
| UHPLC/MS ESI/APCI+ (0.1% as Reserpine) | max. 30ppb |
| UV Trans. 260nm (1M) | min. 95% |
| UV Trans. 280nm (1M) | min. 97% |
| Chloride (Cl) | max. 0.001% |
| Sulfate (SO4) | max. 0.002% |
| Aluminum (Al) | max. 1ppm |
| Calcium (Ca) | max. 5ppm |
| Copper (Cu) | max. 1ppm |
| Iron (Fe) | max. 1ppm |
| Potassium (K) | max. 5ppm |
| Lithium (Li) | max. 1ppm |
| Magnesium (Mg) | max. 1ppm |
| Sodium (Na) | max. 5ppm |
| Nickel (Ni) | max. 1ppm |
| Lead (Pb) | max. 1ppm |
| Zinc (Zn) | max. 1ppm |
| Solution (1M/Water) Clear & colorless | Complying |
| Filter test (1M in Water) | Complying |
| pH (1M in water) | 5.5-7.5 |