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| Samples | Amount added (mg L−1) | Detected (mg L−1) | Recovery (%) | RSD (%) |
|---|---|---|---|---|
| Hindu Datura | — | NDa | — | — |
| 0.050 | 0.051 | 102 | 3.4 | |
| 0.100 | 0.096 | 96 | 2.7 | |
| Belladonna | — | ND | — | — |
| 0.050 | 0.053 | 106 | 4.1 | |
| 0.100 | 0.099 | 99 | 3.5 | |
| Hyoscyamus niger L | — | 0.011 | — | — |
| 0.050 | 0.060 | 98 | 2.9 | |
| 0.100 | 0.107 | 96 | 4.0 |
ND is not detected.
