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Electrolysis

Experiment: Can You Mine Gold From Old Motherboards?
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Electrolysis

To recover the few micrograms of gold deposited on the pins, we’re going to use an electrolytic cell. The bath consists of a 95% solution of sulfuric acid. The cathode is lead and the anode is copper. The pins are placed in the copper anode, which we’ve formed into a basket shape.

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