Table A4.
The linear regression equation, recovery and precision for 60 pesticides analyzed by GC-MS/MS.
| Compound Name | Linear Regression Equation |
Correlation Coefficient | 0.01 (mg/kg) | 0.1 (mg/kg) | 1.0 (mg/kg) | |||
|---|---|---|---|---|---|---|---|---|
| Recovery (%) | RSD (%) | Recovery (%) | RSD (%) | Recovery (%) | RSD (%) | |||
| Chlorothalonil | Y = 5.4 × 106X | 0.9948 | 95.6 | 12.2 | 86.8 | 4.3 | 104.4 | 3.7 |
| Fenthion | Y = 1.834 × 107X | 0.9992 | 110.8 | 8.3 | 102.5 | 4.4 | 101.3 | 2.2 |
| Difenoconazole | Y = 3.055 × 107X | 0.9994 | 109.2 | 6.9 | 98.4 | 6.5 | 100.1 | 4.2 |
| Profenofos | Y = 5.068 × 106X | 0.9902 | 115.4 | 10.3 | 94.9 | 1.4 | 93.6 | 3.4 |
| Pyridaben | Y = 1.109 ×107X | 0.9995 | 88.0 | 10.5 | 104.4 | 3.0 | 98.3 | 2.4 |
| Isoprothiolane | Y = 2.133 × 106X | 0.9972 | 107.6 | 13.9 | 103.6 | 1.8 | 96.3 | 2.9 |
| Dichlorvos | Y = 6.481 × 106X | 0.9979 | 85.6 | 10.8 | 87.6 | 12.9 | 102.8 | 2.1 |
| Ediphenphos | Y = 1.002 × 107X | 0.9992 | 92.4 | 17.4 | 100.7 | 4.6 | 101.8 | 3.2 |
| Chlorpyrifos | Y = 6.992 × 106X | 0.9985 | 105.6 | 14.6 | 104.8 | 4.0 | 101.6 | 2.2 |
| Parathion | Y = 5.874 × 106X | 0.9955 | 115.6 | 6.9 | 104.7 | 3.3 | 104.6 | 2.2 |
| Pendimethalin | Y = 1.255 × 107X | 0.9988 | 94.4 | 9.9 | 97.5 | 6.4 | 105.0 | 2.9 |
| Diazinon | Y = 8.014 × 106X | 0.9958 | 92.5 | 7.9 | 105.1 | 3.7 | 96.5 | 3.2 |
| Fipronil | Y = 1.142 × 107X | 0.9996 | 96.0 | 5.3 | 102.3 | 4.0 | 100.6 | 1.1 |
| Cyfluthrin | Y = 3.073 × 107X | 0.9996 | 110.0 | 8.8 | 105.9 | 1.8 | 99.2 | 2.0 |
| Flucythrinate | Y = 6.095 × 106X | 0.9991 | 84.0 | 12.3 | 74.6 | 4.6 | 103.4 | 2.3 |
| Methamidophos | Y = 6.356 × 106X | 0.9984 | 88.4 | 18.1 | 93.6 | 8.1 | 84.2 | 49.3 |
| Phorate | Y = 7.366 × 106X | 0.9989 | 106.4 | 9.7 | 102.4 | 4.2 | 100.4 | 2.5 |
| Chlorpyrifos-methyl | Y = 1.28 × 107X | 0.9975 | 115.2 | 3.2 | 101.0 | 3.8 | 101.8 | 3.2 |
| Parathion-methyl | Y = 1.283 × 107X | 0.9986 | 116.8 | 3.6 | 102.6 | 5.5 | 103.2 | 2.3 |
| Pirimiphos-methyl | Y = 7.225 × 106X | 0.9992 | 116.8 | 5.2 | 102.5 | 1.9 | 100.0 | 1.2 |
| Isofenphos-methyl | Y = 9.674 × 106X | 0.9991 | 108.4 | 9.2 | 106.4 | 2.6 | 100.6 | 2.0 |
| Fenpropathrin | Y = 1.073 × 107X | 0.9990 | 115.6 | 4.5 | 104.5 | 3.5 | 102.9 | 3.2 |
| Metalaxyl | Y = 3.523 × 107X | 0.9974 | 111.6 | 6.4 | 92.0 | 1.8 | 100.2 | 1.4 |
| Monocrotophos | Y = 1.41 × 107X | 0.9993 | 116.4 | 4.8 | 104.9 | 3.8 | 101.8 | 1.6 |
| Pirimicarb | Y = 4.426 × 106X | 0.9978 | 117.6 | 6.1 | 101.4 | 5.0 | 104.8 | 2.7 |
| Quinalphos | Y = 2.151 × 107X | 0.9989 | 113.2 | 5.1 | 103.8 | 4.3 | 102.6 | 2.6 |
| Dimethoate | Y = 7.984 × 107X | 0.9988 | 111.2 | 4.7 | 104.4 | 2.9 | 99.5 | 1.4 |
| Bifenthrin | Y = 7.013 × 106X | 0.9995 | 115.6 | 5.4 | 104.5 | 4.0 | 95.8 | 1.2 |
| Cyhalothrin and Lambda-cyhalothrin | Y = 1.463 × 107X | 0.9989 | 108.4 | 8.4 | 102.2 | 4.5 | 101.3 | 2.8 |
| Permethrin | Y = 2.332 × 107X | 0.9978 | 115.2 | 2.0 | 102.6 | 2.7 | 101.4 | 1.8 |
| Cypermethrin and Beta-cypermethrin | Y = 7.401 × 107X | 0.9997 | 114.8 | 3.6 | 102.8 | 2.8 | 98.9 | 1.1 |
| Isazophos | Y = 6.086 × 107X | 0.9991 | 116.0 | 3.7 | 100.8 | 4.2 | 103.4 | 2.5 |
| Malathion | Y = 2.209 × 107X | 0.9985 | 108.4 | 1.5 | 100.2 | 4.3 | 102.8 | 1.9 |
| Etofenprox | Y = 9.442 × 106X | 0.9991 | 105.6 | 11.1 | 94.2 | 4.9 | 102.3 | 1.8 |
| Cyprodinil | Y = 2.231 × 106X | 0.9991 | 105.6 | 6.2 | 105.3 | 3.9 | 100.0 | 4.1 |
| Pyrimethanil | Y = 5.734 × 106X | 0.9919 | 112.4 | 6.5 | 102.5 | 7.4 | 96.9 | 1.8 |
| Ethoprophos | Y = 5.657 × 106X | 0.9966 | 105.2 | 9.2 | 105.7 | 2.9 | 101.4 | 1.4 |
| Fenvalerate | Y = 5.657 × 106X | 0.9966 | 115.2 | 4.0 | 102.5 | 4.8 | 102.3 | 2.4 |
| Triazophos | Y = 3.265 × 107X | 0.9961 | 109.4 | 6.7 | 102.4 | 2.9 | 100.7 | 2.3 |
| Triadimefon | Y = 3.867 × 106X | 0.9962 | 112.4 | 10.9 | 99.6 | 2.6 | 100.8 | 2.2 |
| Fenitrothion | Y = 4.249 × 106X | 0.9987 | 96.8 | 17.0 | 95.6 | 5.7 | 104.4 | 2.9 |
| Methidathion | Y = 1.116 × 107X | 0.9987 | 97.6 | 10.4 | 83.8 | 5.8 | 93.8 | 2.0 |
| Isocarbophos | Y = 3.559 × 106X | 0.9994 | 113.6 | 2.6 | 107.2 | 1.4 | 96.2 | 1.8 |
| Quintozine | Y = 2.441 × 107X | 0.9988 | 116.8 | 3.3 | 105.3 | 4.1 | 100.6 | 1.4 |
| Tebuconazole | Y = 1.042 × 107X | 0.9966 | 98.4 | 19.3 | 96.1 | 5.9 | 103.8 | 2.2 |
| Deltamethrin | Y = 9.757 × 105X | 0.9950 | 97.2 | 10.3 | 90.8 | 7.4 | 99.7 | 1.5 |
| Phosmet | Y = 4.43 × 106X | 0.9957 | 114.8 | 5.3 | 99.9 | 7.8 | 98.1 | 1.6 |
| Omethoate | Y = 1.878 × 106X | 0.9987 | 114.0 | 4.5 | 102.6 | 2.5 | 103.6 | 1.7 |
| Acephate | Y = 7.231 × 106X | 0.9991 | 117.6 | 3.7 | 104.0 | 4.9 | 96.3 | 0.9 |
| Iprodione | Y = 2.288 × 107X | 0.9978 | 98.8 | 18.7 | 95.4 | 7.6 | 103.9 | 2.0 |
| Atrazine | Y = 4.272 × 106X | 0.9930 | 107.6 | 10.5 | 98.5 | 6.4 | 101.9 | 1.9 |
| Piperonyl butoxide | Y = 2.59 × 106X | 0.9979 | 73.2 | 3.1 | 106.1 | 2.4 | 96.7 | 1.7 |
| Aldrin | Y = 3.079 × 107X | 0.9997 | 114.8 | 5.9 | 101.9 | 4.5 | 102.6 | 2.0 |
| Dieldrin | Y = 1.70 × 107X | 0.9990 | 94.0 | 20.5 | 91.4 | 6.0 | 102.3 | 2.5 |
| O,’p-DDT | Y = 1.654 × 107X | 0.9988 | 112.0 | 5.5 | 99.6 | 5.5 | 103.0 | 2.2 |
| P,’p-DDT | Y = 1.811 × 107X | 0.9994 | 113.2 | 6.8 | 90.9 | 22.2 | 103.3 | 3.4 |
| α-666 | Y = 1.634 × 107X | 0.9979 | 101.6 | 16.4 | 102.0 | 4.4 | 103.1 | 2.9 |