Table 3.
pL0.5 1 values of Cu2+/ligands systems at different pHs, I = 0.15 mol L−1 in NaCl(aq) and T = 298.15 K.
Ligand | pH | pL0.5 |
---|---|---|
H2(L1) | 7.4 | 7.09 |
H2(L2) | 2.5 | 2.74 |
3.0 | 3.70 | |
4.0 | 5.48 | |
5.0 | 6.99 | |
6.0 | 8.18 | |
7.4 | 10.29 | |
8.1 | 10.54 | |
9.0 | 11.98 | |
H2(L3) | 2.5 | 3.10 |
3.0 | 4.05 | |
4.0 | 5.70 | |
5.0 | 7.18 | |
6.0 | 8.41 | |
7.4 | 10.30 | |
8.1 | 11.43 | |
9.0 | 12.20 | |
10.0 | 12.14 | |
H2(L4) | 7.4 | 9.90 |
H(L5) | 7.4 | 7.25 |
1 values calculated by Equation (3).