Fig. 5From: Equilibria in cobalt(II)–amino acid–imidazole system under oxygen-free conditions: effect of side groups on mixed-ligand systems with selected L-α-amino acidsDistribution diagram of complex species versus pH for a solution of Co[(imid)2]n and aspartic acid in molar ratio 1:5. C Co = 0.01 mol L−1. L–aspartic acid (AspH-1), L′–imidazole (Himid)Back to article page