Table 4.
Linearity, matrix effect and limits for atropine and scopolamine in different samples.
| Atropine | Scopolamine | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sample | Linearity (mg/L) | Matrix Matched Calibration (R2) |
Cm * (%) |
MDL * (µg/kg) |
MQL * (µg/kg) |
ME * (%) |
Matrix Matched Calibration (R2) |
Cm (%) |
MDL (µg/kg) |
MQL (µg/kg) |
ME (%) |
| Co-RFC | 0.002–1 | 8.6 × 108x −8.5 × 106 (0.998) |
98 | 0.1 | 0.4 | 17 a | 3.3 × 108x + 4.3 × 104 (0.999) |
94 | 0.2 | 0.7 | 1 d |
| So-FO | 0.01–0.2 | 7.1 × 108x −3.9 × 106 (0.996) |
98 | 0.5 | 1.5 | −3 a | 3.0 × 108x +6.0 × 105 (0.999) |
99 | 0.7 | 2.4 | −7 d |
| Te-FO | 0.01–0.2 | 7.0 × 108x −1.24 × 107 (0.994) |
92 | 0.04 | 0.1 | −5 a | 2.9 × 108x +3.2 × 104 (0.994) |
98 | 1 | 3.3 | −11 d |
| Co-FO | 0.002–1 | 8.3 × 108x −5.8 × 106 (0.997) |
97 | 0.1 | 0.4 | 14 a | 3.1 × 108 −4.92 × 106 (0.996) |
96 | 0.2 | 0.7 | −5 d |
| Pe-FC | 0.01–0.4 | 5.6 × 108x −1.1 × 107 (0.993) |
95 | 0.3 | 1.1 | −35 b | 2.1 × 108x −2.7 × 106 (0.993) |
98 | 1.3 | 4.4 | −51 e |
| Am-GO | 0.01–1 | 3.62 × 108x +1.18 × 106 (1.000) |
96 | 0.2 | 0.5 | −51 c | 1.0 × 108x +1.4 × 106 (0.996) |
96 | 0.5 | 1.7 | −69 f |
* Cm: Linearity coefficient. MDL: Method detection limit. MQL: Method quantification limit. ME: Matrix effect. Different superscript letters in the same column indicated significant differences (p ≤ 0.05).