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Linearity, LOD and LOQ, accuracy, precision, stability and repeatability of the LC/MS method (n = 6).
| Analytes | Linearity | LOD (μg/L) | LOQ (μg/L) | Accuracy | Precision | Stability | Repeatability | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Calibration curves | Range (μg/mL) | R 2 | Recovery (%) | RSD (%) | Inter-day RSD (%) | Intra-day RSD (%) | RSD (%) | RSD (%) | |||
| GMP | Y = 784184X-187112 | 0.1135–7.264 | 0.9967 | 0.03 | 0.10 | 98.67 | 2.31 | 4.33 | 2.42 | 1.96 | 2.19 |
| cGMP | Y = 562405X+12921 | 0.057–7.344 | 0.9969 | 0.02 | 0.05 | 96.94 | 3.79 | 3.86 | 2.01 | 1.75 | 2.95 |
