Range of time taken for four brands of meropenem to degrade by 10% when diluted in sodium chloride 0.9% and stored in syringes at 37°C15
| 1 g in 48 mL | 2 g in 48 mL | |||
| Minimum time/hour | Maximum time/hour | Minimum time/hour | Maximum time/hour | |
| 37°C | 4.5±0.2 | 10.0±0.9 | 2.9±0.1 | 3.1±0.2 |