Stability Constants of Mixed Ligand Complexes of Nickel(II) with Adenine and Some Amino Acids

Figure 3

Potentiometric titration curves of binary complexes ( = 0.1 mol·L⁻¹ KNO₃ at 25.0 ± 0.1°C). Curve I: L-aspartic acid alone, curve II: Ni(II):L-aspartic acid (1 : 1), and curve III: Ni(II):L-aspartic acid (1 : 2).