Table 1.

Stability constants of selected ligands with aluminium and magnesium ions.

Ligand48–52	logKAl	logKMg
OH−	ML/M∙L   9.01	ML/M∙L   2.58
	ML2/M∙L2   18.7
	ML3/M∙L3   27.0	pKsp Mg(OH)2 = 11.25
	ML4/M∙L4   33.0
	pKsp Al(OH)3 = 32.89
Salicylate	ML/M∙L   12.9	ML/M∙L   4.7
	ML2/M∙L2   23.2
	ML3/M∙L3   29.8
EDTA	ML/M∙L   16.11	ML/M∙L   8.64
NTA	ML/M∙L   11.4	ML/M∙L   5.50
		ML2/M∙L2   10.2