Fig. 6: Corrosion products formation in neutral Na2SO4 droplets.

a1–a3 Total amount of the precipitated corrosion products formed in the droplets with 0.4 wt.%, 2.4 wt.% and 4 wt.% Na2SO4 (the arrow presents the direction of current density), b1–b3 Coverage of the electrode surface by corrosion products in the droplets with 0.4 wt.%, 2.4 wt.% and 4 wt.% Na2SO4.