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Harvesting chemicals from a battery

 

http://makezine.com/projects/harvesting-chemicals-from-a-battery/

This tutorial shows how to take apart a spent zinc-carbon dry cell of the common household type. Besides making for an interesting object lesson in electrochemistry, taking apart a spent D-cell, for instance, allows you to salvage many materials which can be of use to amateur chemists–materials which would otherwise probably end up in a landfill. Separated from their reactive components, the leftover parts of the battery can be safely added to most municipal recycling streams.
Harvesting Chemicals from a Battery

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