Table 3. Recovery studies of samples spiked with parathion-methyl, parathion, and fenitrothion by multi-analyte ICA (n = 4).
| Compound | Sample | Spiked (ng g−1) | Measured ±SD (ng g−1) | Recovery (%) | CV (%) |
| Parathion-methyl | Chinese cabbage | 50 | 46.8±10.9 | 93.7 | 23.3 |
| 200 | 206.6±10.6 | 103.3 | 5.1 | ||
| Apple | 50 | 45.4±6.9 | 90.8 | 14.3 | |
| 200 | 180.1±11.0 | 90.1 | 6.1 | ||
| Greengrocery | 200 | 218.8±25.2 | 109.4 | 11.5 | |
| 1000 | 949.4±51.2 | 94.9 | 5.4 | ||
| Parathion | Chinese cabbage | 50 | 44.7±16.4 | 89.3 | 36.8 |
| 200 | 204.1±18.2 | 102.1 | 6.8 | ||
| Apple | 50 | 58.5±11.0 | 116.9 | 18.8 | |
| 200 | 213.4±16.8 | 106.7 | 7.9 | ||
| Greengrocery | 200 | 219.2±55.3 | 109.6 | 25.2 | |
| 1000 | 835.7±102.7 | 83.6 | 12.3 | ||
| Fenitrothion | Chinese cabbage | 100 | 97.4±34.6 | 97.4 | 35.5 |
| 200 | 231.7±58.4 | 115.9 | 18.2 | ||
| Apple | 100 | 110.5±7.5 | 110.5 | 6.8 | |
| 200 | 263.8±30.2 | 131.9 | 11.4 | ||
| Greengrocery | 400 | 282.5±79.3 | 70.6 | 28.1 | |
| 1000 | 1088.8±161.7 | 108.9 | 14.9 |