Mixed-ligand complex formation equilibria of copper(II), salicylic acid and some amino acids

Species distribution diagrams as a function of pH for the Copper(II)-H2Sal-H2Glu system in 1.0 mol·dm− 3 KNO3 at 25 °C considering the conditions MT = 2 mmol·dm− 3 and molar ratio R = 1:1:1.