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| Elements | Concentration of metal added (µg/g) | Concentration of metal recovered (µg/g) | Recovery (%) |
|---|---|---|---|
| Selenium (Se) | 3 | 2.80 | 93.3 |
| Cobalt (Co) | 3 | 2.75 | 91.6 |
| Arsenic (As) | 3 | 2.70 | 90.0 |
| Manganese (Mn) | 3 | 2.90 | 96.6 |
| Chromium (Cr) | 3 | 2.85 | 95.0 |
