Table 6 Recovery studies for toxic elements in the present study
Element | Primary value (μg/g) | Added amount (μg/g) | Quantity found (μg/g) | Recovery (%) |
|---|---|---|---|---|
Lead | 35.66 ± 3.6 | 5.0 | 40.25 | 91.8 |
Cadmium | 2.60 ± 0.28 | 1.0 | 3.52 | 92.0 |
Chromium | 2.82 ± 0.03 | 1.0 | 3.71 | 89.0 |
Mercury | 0.174 ± 0.009 | 0.2 | 0.354 | 90.0 |