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(A) Stripping of the Se/Bin, with n equal to the number of the cycles performed (from 1 to 5), first removing the metal and then the non-metal element, 10 mV/s scan rate; (B) charge calculated integrating the stripping curves; (C) consecutive CVs cycles of selenite on bulk Bi: 1st black, 5th red, 10th blue, 50 mV/s scan rate.
