Fig. 6: Determination of H2O•− species upon Ar feed.
From: Spontaneous formation of reactive redox radical species at the interface of gas diffusion electrode

EPR spectra of TEMPO decay with increasing the Ar feeding time a without and b with 18-Crown-6. c Ion chromatography for the evaluation of reduced Cl– anions from CH2ClCOO– (Cl-Ac) by H2O•− species.