How to restore old silver with aluminum foil or a battery by electrochemistry. Old silver is often tarnished by a thin layer of silver sulfide that appears as a brown color. The silver sulfide can be electrochemically converted back into pure silver if a negative charge is applied.

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Cool Science: Restore Silver with Electrochemistry - Video

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December 10, 2011 at 8:31 pm by Mr HomeBuilder
Category: Home Restoration