 as a function of the EA time for (a) 0%, (b) 00%, (c) 00%, and (d) 00% lactose solutions at different current intensities (000, 000, and 000 mA).](ao0b00000_0000){#fig0}  As can be seen from [Figure [0](#fig0){ref-type="fig"}](#fig0){ref-type="fig"}, the formation of 