The galvanic series (or electropotential series) determines the
nobility of
metals and
semi-metals. When two metals are submerged in an
electrolyte, while electrically connected, the less noble (base) will experience
galvanic corrosion. The rate of corrosion is determined by the electrolyte and the difference in nobility. The difference can be measured as a difference in voltage potential. Galvanic reaction is the principle which
batteries are based on.
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A list of metals and alloys presented in the order of their tendency to corrode (or go into solution). Also called the ELECTROMOTIVE SERIES. This is a practical application of the theoretical ELECTROCHEMICAL SERIES.