Research Article
Rapid Simultaneous Determination of 43 Pesticide Residues in Schizonepeta tenuifolia by Gas Chromatography Mass Spectrometry
Table 4
Regression equations, determination coefficients (R2), LODs, and LOQs of pesticides.
| | Pesticide | Regression equation | R2 | LOD (mg kg−1) | LOQ (mg kg−1) |
| | Dichlorvos | Y = 6.88 × 104X－4 313.8 | 0.996 3 | 0.001 8 | 0.005 8 | | Carbofuran | Y = 3.18 × 104X－765 | 0.999 4 | 0.003 9 | 0.012 9 | | Methamidophos | Y = 4.90 × 103X－664 | 0.995 9 | 0.012 2 | 0.040 7 | | Ethoprophos | Y = 3.79 × 104X－1 022.7 | 0.999 4 | 0.002 1 | 0.007 0 | | Omethoate | Y = 1.73 × 103X－553.6 | 0.998 4 | 0.013 5 | 0.045 1 | | Phorate | Y = 3.49 × 104X－1 189.7 | 0.997 5 | 0.002 0 | 0.006 7 | | Hexachlorobenzene | Y = 3.87 × 104X－765.3 | 0.997 8 | 0.001 1 | 0.003 8 | | α-BHC | Y = 1.78 × 104X－605.8 | 0.997 1 | 0.002 4 | 0.008 0 | | Monocrotophos | Y = 1.35 × 104X－2 173.5 | 0.999 3 | 0.011 1 | 0.037 1 | | Quintozene | Y = 1.03 × 104X－514.6 | 0.998 4 | 0.001 2 | 0.003 9 | | γ-BHC | Y = 2.26 × 104X－969.5 | 0.996 7 | 0.002 3 | 0.007 7 | | Dimethoate | Y = 2.93 × 104X－2 078.2 | 0.995 3 | 0.003 4 | 0.011 3 | | Acetochlor | Y = 3.75 × 104X－135 5 | 0.998 6 | 0.003 9 | 0.012 9 | | β-BHC | Y = 1.04 × 104X－386.7 | 0.997 9 | 0.001 6 | 0.005 5 | | Prometryn | Y = 4.61 × 104X－1 485.4 | 0.998 2 | 0.004 8 | 0.015 8 | | δ-BHC | Y = 1.68 × 104X－596.9 | 0.998 2 | 0.001 7 | 0.005 7 | | Metalaxyl | Y = 2.65 × 104X－1 004.2 | 0.998 8 | 0.002 6 | 0.008 7 | | Chlorothalonil | Y = 6.88 × 104X－11 033.2 | 0.996 4 | 0.038 0 | 0.012 7 | | Aldrin | Y = 1.83 × 104X－666.9 | 0.999 4 | 0.003 8 | 0.012 5 | | Chlorpyrifos | Y = 1.94 × 104X－976.2 | 0.995 2 | 0.002 2 | 0.007 3 | | Parathion | Y = 1.47 × 104X－859.9 | 0.995 6 | 0.002 8 | 0.009 2 | | Dicofol | Y = 1.00 × 106X－2 599.8 | 0.997 6 | 0.003 0 | 0.009 9 | | Pendimethalin | Y = 3.45 × 104X－2 108.9 | 0.997 1 | 0.007 3 | 0.024 4 | | cis-Heptachlor epoxide | Y = 1.94 × 104X－690.5 | 0.997 5 | 0.001 9 | 0.006 3 | | trans-Heptachlor epoxide | Y = 2.86 × 103X－64.6 | 0.997 6 | 0.001 2 | 0.004 1 | | cis-Chlordane | Y = 3.27 × 104X－1 264.7 | 0.995 6 | 0.001 9 | 0.006 2 | | trans-Chlordane | Y = 2.49 × 104X－807.7 | 0.997 5 | 0.001 2 | 0.004 0 | | Thiamethoxam | Y = 1.00 × 104X－461 | 0.998 6 | 0.002 7 | 0.009 2 | | pp'-DDE | Y = 4.88 × 104X－1 159.8 | 0.996 9 | 0.006 2 | 0.020 7 | | Dieldrin | Y = 8.88 × 103X－347.5 | 0.997 1 | 0.003 0 | 0.010 1 | | Fludioxonil | Y = 2.25 × 104X－936.1 | 0.998 4 | 0.010 0 | 0.033 3 | | op'-DDT | Y = 6.47 × 104X－3 256.6 | 0.999 4 | 0.005 1 | 0.016 9 | | Nitrofen | Y = 1.95 × 104X－1 081.4 | 0.995 3 | 0.001 4 | 0.004 7 | | pp'-DDD | Y = 9.49 × 104X－2 277.2 | 0.997 9 | 0.003 6 | 0.011 9 | | β-Endosulfan | Y = 3.04 × 103X－17.7 | 0.998 5 | 0.001 3 | 0.004 4 | | Propiconazole | Y = 2.19 × 104X－882.9 | 0.998 3 | 0.001 1 | 0.037 0 | | pp'-DDT | Y = 4.84 × 104X－1 800.2 | 0.999 0 | 0.002 6 | 0.008 5 | | Bifenthrin | Y = 1.69 × 104X－2 085.6 | 0.998 1 | 0.007 8 | 0.026 0 | | Fenpropathrin | Y = 3.28 × 104X－1 073.1 | 0.996 4 | 0.005 8 | 0.019 3 | | Cyhalothrin | Y = 4.81 × 104X－2 338.9 | 0.995 8 | 0.001 5 | 0.004 9 | | Cypermethrin | Y = 1.78 × 104X－963.2 | 0.997 7 | 0.001 9 | 0.006 3 | | Fenvalerate | Y = 2.24 × 104X－1 585.6 | 0.995 3 | 0.001 3 | 0.004 3 | | Difenoconazole | Y = 5.74 × 104X－2 995.7 | 0.997 6 | 0.005 3 | 0.017 7 |
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