
%0 Journal Article
%A Robinson, RA 
%A Biggs, AI 
%T The ionization constants of p-Aminobenzoic Acid in Aqueous solution at 25&#176;C
%J Australian Journal of Chemistry
%D 1957/06/01
%V 10
%N 2
%P 128-134
%K 
%R https://doi.org/10.1071/CH9570128
%U https://www.publish.csiro.au/paper/CH9570128 
%X The ionization constants of benzoic acid and of four esters of p-aminobenzoic acid, as well as the two ionization constants of p-aminobenzoic acid itself, have been deter- mined by spectrophotometric measurements. The extent of zwitterion formation in p-aminobenzoic acid is discussed. 
