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Percentage of minor metals coleached with zinc in pH 5 leaching solutions.
| Acid | Co | Mn | Ni |
|---|---|---|---|
| CH3COOH | 74.5 ± 0.4 | 23.4 ± 0.1 | 19.6 ± 0.3 |
| HCl | 72.6 ± 5.5 | 23.1 ± 2.9 | 18.5 ± 0.9 |
| HNO3 | 63.3 ± 0.7 | 19.7 ± 0.3 | 17.0 ± 0.2 |
| H2SO4 | 66.4 ± 3.5 | 27.1 ± 5.0 | 24.8 ± 4.6 |
