A Novel Tris(2-aminoethyl)amine Based Tripodal Ligand: Synthesis and Solution Coordination Studies with Trivalent Iron and Chromium

Figure 2

Potentiometric titration curves between pH and “” (moles of base added per mole of the ligand) in the presence of metal ions, Fe(III), and Cr(III) in 1 : 1 molar ratio; [M] = [L] = 1 × 10⁻⁵ M at μ = 0.1 M KCl and °C.