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Galvanic series shows the relative nobility of metals and alloys in sea water. The series is based on corrosion potential measurements in seawater. The relative position of the materials can change in other environments. The further apart the materials are in this series, the higher the risk of galvanic corrosion.Like most cathodic,noble or resistant to corrosion is platinum and than gold.On the other hand,
An electromotive force series (EMF series) is a metal's ranking in respect to inherent reactivity. The metals located at the top of the series are considered the most noble, with the highest level of positive electrochemical potential. The metal that can be found at the bottom is the most active and contains the highest amount of negative electrochemical potential.Thus gold has more positive electrochemical potential than platinum so it is on top than platinum in emf series.
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Aarti gupta
askiitians faculty
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