Table 2 Rivaroxaban stability in spiked samples
Theoretical concentrations (ng/mL) | Room temperature (25 °C) up to 24 h | −30 °C up to 3 months | In autosampler at 10 °C up to 48 h | Frozen and thawed 3 times |
|---|---|---|---|---|
1.5 | 92.23 ± 4.84 | 89.67 ± 1.47 | 90.65 ± 2.00 | 95.08 ± 1.04 |
15.0 | 85.45 ± 1.05 | 96.08 ± 1.38 | 97.78 ± 2.27 | 104.35 ± 1.03 |
300.0 | 95.45 ± 1.26 | 102.68 ± 2.89 | 107.23 ± 2.03 | 110.92 ± 1.62 |