Table 2.
Analytical characteristics of the developed HS-SPME-GC-FID method for organophosphorus insecticide determination using the investigated silica-IL fiber.
| Compound | LOD | LOQ | Correlation Coefficient | Single-Fiber Repeatability | Fiber-to-Fiber Repeatability |
|---|---|---|---|---|---|
| Heptenophos | 0.21 | 0.63 | 0.9931 | 6.4 | 13.4 |
| Dimethoate | 0.50 | 1.50 | 0.9925 | 6.1 | 14.8 |
| Diazinon | 0.01 | 0.03 | 0.9956 | 4.8 | 12.1 |
| Paraoxon-ethyl | 0.60 | 1.80 | 0.9850 | 9.6 | 12.7 |
| Fenitrothion | 0.05 | 0.15 | 0.9832 | 10.1 | 13.7 |
| Chlorfenvinphos | 0.10 | 0.30 | 0.9911 | 7.4 | 15.5 |
| Phosalone | 0.93 | 2.79 | 0.9847 | 8.2 | 16.4 |