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Dissociation constants of a series of substituted phenols and their tetrabutylammonium salts were determined in tetrahydrofuran by potentiometric and conductometric methods. The resolution of acid strength in this solvent was compared with those obtained in other amphiprotic and aprotic solvents. The resolution of acid strength of phenols and benzoic acids in tetrahydrofuran was higher than in water,...
The dissociation constant of picric acid in nitrobenzene, pK a =6.63, was established spectrophotometrically, and the standardization of potentiometric systems in this medium using picric acid titration is proposed as a standard method. The acid-base equilibria of a series of bases in nitrobenzene were also studied. The pK HB + values of the protonated bases of various structure...
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