Table 2.
Summary of the limits of detection (LODs), the limits of quantitation (LOQs), and calibration curve range/linearity (n = 5).
| LOD (ng/mL) | LOQ (ng/mL) | Calibration Range (ng/mL) | Slope (average) | Intercept (average) | Linearity, R2 (average) | |
|---|---|---|---|---|---|---|
| (R)-nicotine | 8.4 | 28 | 100–4200 | 1.0651 | -5.8554 | 0.9987 |
| (S)-nicotine | 5.4 | 18 | 350–14000 | 0.1437 | -4.2977 | 0.9982 |
| (R)-nornicotine | 6.0 | 20 | 50–2100 | 1.1244 | -5.3211 | 0.9988 |
| (S)-nornicotine | 6.0 | 20 | 50–2100 | 1.1177 | -5.6773 | 0.9988 |
| (R)-anatabine | 4.8 | 16 | 50–2110 | 0.5545 | -1.1916 | 0.9967 |
| (S)-anatabine | 5.7 | 19 | 50–2110 | 0.5630 | -3.0739 | 0.9975 |
| (R)-anabasine | 1.2 | 4 | 15–530 | 0.8571 | -0.8130 | 0.9984 |
| (S)-anabasine | 4.2 | 14 | 15–530 | 0.8223 | 0.3679 | 0.9991 |