Table 4 Stability of PCP in plasma samples
Conditions | |||
|---|---|---|---|
Concentrations | LQC 10 ng mL−1 | MQC 100 ng mL−1 | HQC 200 ng mL−1 |
Three Freeze–thaw cycle stability (−24 °C) | 96.10 ± 2.05 | 95. 74 ± 1.44 | 96.10 ± 0.84 |
Long-term stability (1 months at −24 °C) | 97.43 ± 1.51 | 96.55 ± 1.81 | 97.00 ± 1.13 |
Short-term stability (12 h at −24 °C) | 95.50 ± 1.28 | 95.48 ± 1.90 | 95.31 ± 1.57 |
Post-preparative stability (6 h at room temperature 25 °C) | 97.26 ± 1.44 | 97.00 ± 1.11 | 97.33 ± 1.22 |
Post-preparative stability (12 h at room temperature 25 °C) | 96.99 ± 2.11 | 97.10 ± 1.52 | 96.00 ± 0.89 |