A calorimetric method has been investigated for the determination of the thermodynamic parameters of acid dissociations in dipolar aprotic solvents. For the dissociations of monoprotonated bases BH+(B: aniline, pyridine, triethylamine, tributylamine, triethanolamine, 1, 3-diphenylguanidine and 1, 1, 3, 3-tetramethylguanidine) in N, N- dimethylformamide, dimethyl sulfoxide (DMSO), acetonitrile and propylene carbonate, the ...