Table V.
Stability of Methadone and Metabolites at a Concentration of 400 ng/mL (% found) at Certain Parameters
24°C, 24 h | 4°C, 24 h | Three Freeze- Thaw Cycles |
|
---|---|---|---|
Methadone | 100.2 | 101.4 | 109.2 |
EDDP | 85.9 | 95.9 | 98.3 |
EMDP | 108.9 | 103.0 | 99.7 |
Stability of Methadone and Metabolites at a Concentration of 400 ng/mL (% found) at Certain Parameters
24°C, 24 h | 4°C, 24 h | Three Freeze- Thaw Cycles |
|
---|---|---|---|
Methadone | 100.2 | 101.4 | 109.2 |
EDDP | 85.9 | 95.9 | 98.3 |
EMDP | 108.9 | 103.0 | 99.7 |