
%0 Journal Article
%A Green, RW 
%T Thermodynamics of the dissociation of the pyridinium ion
%J Australian Journal of Chemistry
%D 1969/04/01
%V 22
%N 4
%P 721-723
%K 
%R https://doi.org/10.1071/CH9690721
%U https://www.publish.csiro.au/paper/CH9690721 
%X The pK of the pyridinium ion at ionic strength 10-4 has been measured spectrophotometrically at ten temperatures in the range 5-50°. At 25° the enthalpy of dissociation, &#916;H0, is 4.28±0.04 kcal mole-1; and the entropy of dissociation, &#916;S0, is -9.6±0.13 cal deg-1 mole-1. 
