Table 7. The amount of each metal ion in the LDHzymes preparation.
| LDHzymes | Cu (NO3)2·3H2O | Mn (NO3)2·4H2O | Fe (NO3)3·9H2O | Zn (NO3)2·6H2O |
|---|---|---|---|---|
| CuZnFe-LDH | 0.5 mol l−1 | — | 0.25 mol l−1 | 0.25 mol l−1 |
| CuMnFe-LDH | 0.5 mol l−1 | 0.25 mol l−1 | 0.25 mol l−1 | — |
| CuFe-LDH | 0.25 mol l−1 | — | 0.25 mol l−1 | — |
| MnFe-LDH | — | 0.25 mol l−1 | 0.25 mol l−1 | — |
| CuMn-LDH | 0.25 mol l−1 | 0.25 mol l−1 | — | — |