Fig. 1: 13C spectrum of a CO2 saturated 1 mol L−1 KHCO3 electrolyte.

The spectrum consists of the solvated CO2 signal at 125.9 ppm and the coalesced \({{{{{{{{{\rm{HCO}}}}}}}}}_{3}}^{-}/{{{{{{{{{\rm{CO}}}}}}}}}_{3}}^{2-}\) signal at 161.8 ppm.
The spectrum consists of the solvated CO2 signal at 125.9 ppm and the coalesced \({{{{{{{{{\rm{HCO}}}}}}}}}_{3}}^{-}/{{{{{{{{{\rm{CO}}}}}}}}}_{3}}^{2-}\) signal at 161.8 ppm.