Abstract

The effect of pre-treatment (pre-oxidation, pre-plating, or platinization) of a platinum electrode on the chronopotentiometric deposition and stripping of silver, lead and copper in various media is considered. Depositions were found to occur less reversibly at a pre-oxidized electrode. Evidence for retention of some deposited metal, even at potentials considerably more positive than the reversible stripping potential is presented and possible mechanisms for this retention are suggested.

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