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Pronunciation: po'lar-og'ra-fe

Definition: That branch of electrochemistry concerned with the variation in current flowing through a solution as the voltage is varied; this will vary with the ionic concentration of reducible substances so that polarography can be used in chemical analysis. Polarography is commonly employed in the form of a reduction at a dropping mercury electrode.

[Mod. L. polaris, polar, + G. grapho, to write]

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