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The method involves placing the circuit boards into mild acid to dissolve all the metal parts. ... The precious metal is a component within the circuit boards of mobile phones. Extracting gold ...

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How to Extract Gold from Computer Circuit Boards? A discussion started in 2000 but continuing through 2017. 2000. Q. I have access to over 4 tons of old Computer Circuit Boards. I am wondering if anyone knows of a way that the gold can be extracted from these.

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How Much Gold Can Be Recycled from Scrap Electronic Pins? ... A Brief History of Circuit Boards and the Gold They Contain. ... Extracting Gold from Ceramic IC Chips. June 09, 2014 / Barry Lenson / Comment. Electronics manufacturers, Recycle and Refine Gold, Recycling Electronics.

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How to Refine Gold From Electronic Scrap. By: Jerry Garner. Share; ... Cut all of the gold-plated components off the circuit boards. Do not throw the boards away though, because there is still silver and other precious metals you may wish to reclaim later. Video of the Day. Step.

How to Remove Gold from Circuit Boards: 12 Steps (with ...

Dec 05, 2018· To remove gold from circuit boards, start by purchasing concentrated nitric acid from an industrial or chemical store. You'll also need a face mask, safety glasses, and industrial gloves to work with nitric acid, since it can harm your skin and eyes and cause nausea if it's inhaled.