A reversal would produce a similar " i-E " curve, which would closely match the forward scan, except for capacitive charging current.
2.
On the forward scan the expected diffusion wave is observed, in example above the reduction of [ ML n ] 2 + to [ ML n ] 1 +.
3.
At the left edge, the field steadily decreases in magnitude to start another forward scan, and soon after the start, the beams unblank to start a new visible scan line.
4.
Relative to the time required for a forward scan, it then changes back relatively quickly to what's required to position the beam beyond the left edge of the visible ( unblanked ) area.
5.
In Figure 2, during the initial forward scan ( from t 0 to t 1 ) an increasingly reducing potential is applied; thus the cathodic current will, at least initially, increase over this time period assuming that there are reducible analytes in the system.
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