Potentiometric Response of Ag/AgCl Chloride Sensors in Model Alkaline Medium

Figure 9

High-resolution surface XPS spectra before and after conditioning in NaOH solution: (a) Ag3d photoelectron lines; (b) AgMNN Auger lines; (c) O1s photoelectron lines; (d) Cl2p photoelectron lines.

(a)

(b)

(c)

(d)