Table 2.
Linear ranges, linearity, and matrix effects of the analytical method for the five pyrethroids.
| Pesticides | Range (mg L−1) | Acetonitrile | Herbal tea A | Herbal tea B | LODs (µg L−1) | LOQs (µg L−1) | ||
|---|---|---|---|---|---|---|---|---|
| Linearity (R2) | Linearity (R2) | Matrix Effect (%) | Linearity (R2) | Matrix Effect (%) | ||||
| Fenpropathrin | 0.05 ∼ 5 | 1.0000 | 0.9999 | 3.21 | 0.9995 | 7.94 | 1.25 | 5 |
| lambda-cyhalothrin | 0.05 ∼ 5 | 0.9999 | 0.9999 | 0.33 | 0.9996 | 5.79 | 1.25 | 5 |
| Fenvalerate | 0.05 ∼ 5 | 0.9999 | 0.9999 | 1.05 | 0.9998 | 5.81 | 1.35 | 5 |
| Permethrin | 0.05 ∼ 5 | 0.9998 | 0.9999 | 1.23 | 0.9999 | 6.52 | 1.35 | 5 |
| bifenthrin | 0.05 ∼ 5 | 0.9994 | 0.9993 | 0.18 | 0.9995 | 8.24 | 1.35 | 5 |