Table 2. Maximum Observed Ni(II) Sorption Values (qmax) with Error Reported as ±1 Standard Deviation and Average Corresponding Equilibrium pH.
| biochar | qmax (mg Ni(II) g–1) | pH |
|---|---|---|
| MN900 | 154 ± 3 | 8.0 |
| C900 | 139 ± 1 | 7.9 |
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