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In Pictures: Tom's Hardware Recovers Gold And Silver From CPUs

In Pictures: Tom's Hardware Recovers Gold And Silver From CPUs
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Meet Our Mountain Of CPUs

A while back, we did a little do-it-yourself salvaging of gold from motherboards (Can You Mine Gold From Old Motherboards?). But that’s not the only part of a computer where the rustless, unalterable metal is used. It’s also in CPUs. Specifically, the element is used on the pins and on the mounting pads of the processor dies. Also, the small wires that connect the pads and the pins are made of gold.

Here's the hard part, though: recovering the precious metal through do-it-yourself techniques. In this piece, we're also going to recover another precious metal: silver.

Please note that the chemicals used in this demonstration are extremely dangerous, especially in the concentrations used. Therefore, we strongly discourage you from attempting to reproduce this experiment at home.

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