Table 2.
Analyses of carbofuran in water, soil, lettuce and cabbage samples by ELISA (n = 3).
| Matrix | Fortification Level (ng/mL) | Mean±S.D.( ng/mL) | Recovery (%) | R.S.D. (%) |
|---|---|---|---|---|
| Lettuce | 0.1 | 0.14±0.03 | 140.0 | 14.7 |
| 1 | 0.93±0.04 | 93.0 | 12.8 | |
| 10 | 9.71±0.11 | 97.1 | 5.9 | |
| 50 | 47.6±0.93 | 95.2 | 12.2 | |
| Means | 106.3 | 11.4 | ||
| Cabbage | 0.1 | 0.12±0.02 | 120.0 | 13.9 |
| 1 | 0.87±0.06 | 87.0 | 13.7 | |
| 10 | 9.80±0.25 | 98.0 | 6.4 | |
| 50 | 47.6±1.02 | 95.2 | 21.3 | |
| Means | 100.1 | 13.8 | ||
| Water | 0.1 | 0.13±0.01 | 130.0 | 7.7 |
| 1 | 0.96±0.078 | 96.0 | 8.1 | |
| 10 | 9.42±0.17 | 94.2 | 1.8 | |
| 50 | 49.18±4.35 | 98.4 | 8.8 | |
| Means | 104.6 | 6.6 | ||
| Soil | 0.1 | 0.13±0.02 | 130.0 | 15.6 |
| 1 | 1.07±0.11 | 107.0 | 10.4 | |
| 10 | 9.88±0.88 | 98.8 | 8.9 | |
| 50 | 48.69±5.72 | 97.4 | 11.7 | |
| Means | 108.3 | 11.6 |