
%0 Journal Article
%A Dash, UN 
%T Studies on the application of the quinhydrone electrode in formamide. VII. The ionization constants and related thermodynamic quantities of (E)-cinnamic acid from E.M F. measurements at different temperatures
%J Australian Journal of Chemistry
%D 1976/07/01
%V 29
%N 7
%P 1609-1611
%K 
%R https://doi.org/10.1071/CH9761609
%U https://www.publish.csiro.au/paper/CH9761609 
%X The e.m.f. of the cell   Ag-AgCl/NaCl(m3), NaA(m2), HA(m1) QH2-Q/Pt  (where HA is cinnamic acid) in formamide has been measured at 5º intervals over the temperature range 5-45ºC. The pKa value of (E)-cinnamic acid ranges from 7.02 ± 0.03 at 5º to 6.78 ± 0.05 at 45º. 
