gold refinery scrap

  • Refining Gold | HowStuffWorks

    Refining companies receive doré bars, as well as scrap gold, and reliquefy the metal in a furnace. Workers add borax and soda ash to the molten metal, which separates the pure gold from other precious and less precious metals. A sample is then taken to a lab for tests, or assays, that measure the gold .

  • Dentist Refining | Argen

    *If you elect to have your scrap materials returned to you after the assay process has occurred, the precious metals will be returned in the form of a layered, solid metal bar.

  • Dummies Guide to GOLD bullion refining at home as a long ...

    Ok, for the purpose of this tutorial, lets process some scrap gold that I've got lying around and recover the pure gold from it. The gold "button" has impurities so I'll use this tutorial to re-refine it. The pins and edge connectors came from 2 old computer motherboards and a few sticks of computer memory.

  • Gold Refiners — Reclaim, Recycle, and Sell your Precious ...

    Don't throw away profits! Recycle your gold-bearing scrap with Specialty Metals, the best gold refiners in the US for secondary refining of Gold, Silver, Platinum, Palladium, Rhodium and Electronics scrap.