| Assay (T) | 99.0-101.0%w/w | 
| Chloride (Cl) | <= 0.002% | 
| Heavy metals (as Pb) | <= 0.001% | 
| Iron (Fe) | <= 0.002% | 
| Sodium (Na) | <= 0.005% | 
| Loss on drying (105°C) | <= 0.2% | 
| pH (5% in water) | 4.1-4.5 | 
| UV Abs. 260nm (0.1M) | <= 0.005AU | 
| UV Abs. 280nm (0.1M) | <= 0.005AU | 
| DNase activity | Not detected | 
| RNase activity | Not detected | 
| Protease activity | Not detected |