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DIY Electric arc welding for melting scrap gold idea


GotAU?

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I haven’t tried this yet but it sounds like a promising and very inexpensive way to melt small amounts of scrap gold or other metals. They simply used a car battery and two carbon rods pulled out of two old carbon flashlight batteries, and it was sufficiently hot enough to melt scrap gold into a small blob for this jewelry making story:

https://www.pbs.org/weta/roughscience/series3/big_smelt/smelting.html

Hah, check out their other projects on that site including a DIY metal detector!

Edited by GotAU?
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