1 / 3
| Appearance | Should be colorless, transparent, and free of any visible foreign matter |
| Effective usage | 90%~120% |
| Particle size distribution | The particle size distribution of D50 is not greater than 450μm; The particle size distribution of D90 is not greater than 750μm |
| Infrared identification | Consistent with the control map |
| Swelling degree | 60~95 |
| Osmotic pressure | 270mOsmol/kg ~350 mOsmol/kg |
| Content (Marked value 20mg/ml) | 90%~120% of the marked value |
| Crosslinking agent residue (1,4-butanediol diglycidyl ether) | ≤1.5μg/g |
| Free sodium hyaluronate content | 2.0~5.0mg/ml |
| Bacterial endotoxins | <0.5EU/ml |
| Sterile | It should be sterile |
