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ELECTROCHEMICAL METHODS Fundamentals and Applications - Allen.J.Bard

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10 • Chapter 1. Introduction <strong>and</strong> Overview of Electrode Processes<br />

0<br />

(V vs. NHE)<br />

-0.25<br />

0<br />

+0.15<br />

Possible<br />

Possible<br />

reduction<br />

oxidation<br />

reactions<br />

reactions<br />

Ni 2+ + 2e -> Ni<br />

Approximate<br />

2H + + 2e -» H9<br />

potential for<br />

zero current<br />

Sn 4+ + 2e -> Sn 2+<br />

0<br />

-- 0<br />

E°<br />

(V w. NHE)<br />

-- +0.15<br />

(Au)<br />

\ 2 + 2e

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