| Nominal |
|
|
|
| Concentration µg/ml |
Concentration found |
Precision (%) |
Accuracy (%) |
| (N = 5) |
µg/ml |
|
|
| Short-term stability for 3 h in plasma |
| 0.5457 |
0.5416 |
1.41 |
99.53 |
| 5.0201 |
4.6253 |
7.86 |
92.14 |
| Three freeze-thaw cycles |
| 0.5457 |
0.5591 |
3.10 |
102.47 |
| 5.0201 |
4.4653 |
11.10 |
88.95 |
| Long-term stability for 30 days −50 ◦C |
| 0.5457 |
0.4711 |
8.51 |
86.34 |
| 5.0201 |
4.6053 |
9.46 |
91.74 |
|
