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Analytical parameters of the adopted method.
| Parameters | GEM | RSV |
|---|---|---|
| Linearity range (μg/mL) | 0.2–2 | 0.1–1 |
| Intercept (a) | 22.983 | 52.167 |
| S.D. of intercept (Sa) | 2.032 | 3.399 |
| Slope (b) | 235.545 | 510.343 |
| S.D. of slope (Sb) | 1.024 | 1.936 |
| RSD% of the slope (Sb%) | 0.435 | 0.379 |
| Correlation coefficient (r) | 0.9999 | 0.9997 |
| R2 | 0.9997 | 0.9994 |
| S.D. of residuals (Sy/x) | 1.480 | 1.759 |
| Variance ratio (F) | 14,013.2 | 7872.1 |
| Significance F | 3.05 × 10–8 | 9.67 × 10–8 |
| LOD (μg/mL) | 0.028 | 0.022 |
| LOQ (μg/mL) | 0.086 | 0.067 |
