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The protonation constants of a new dinucleating 24-membered hexaazadiphenol macrocyclic ligand, BDBPH, were determined by potentiometric measurement at 25.0℃ and μ = 0.100 mol·L~(-1) (KCl). The species distributions of the deprotonated and protonated compounds in the pH range from 2 to 12 in aqueous solutions were also described.
The protonation constants of a new dinucleating 24-membered hexaazadiphenol macrocyclic ligand, BDBPH, were determined by potentiometric measurement at 25.0 ° C and μ = 0.100 mol·L -1 (KCl). The species distributions of the deprotonated and protonated compounds in the pH range from 2 to 12 in aqueous solutions were also described.