Step-by-Step Gold Recovery From Circuit Boards - Engineering
2014. 1. 21.· Removing the Gold Gold can be removed from circuit boards in a variety of ways. It can be scraped off of the boards by hand, which is time consuming, but yields excellent results. The gold can also be removed via a process known as reverse electroplating, where a chemical solution and electricity are used to draw the gold off of the circuit board.Removal of gold without chemicals - Gold Refining Forum,2009. 2. 12.· Hello everyone. I'm new here, so it may take me a while to figure out how everything works. I have a question for everyone that has probably been asked 1000 times before, but here goes! Is there a way to remove gold, silver, and platinum from circuit boards without the use of chemicals?Gold Refining Process,2016. 4. 1.· Gold, as it occurs in Nature, is never pure. Occasionally the amount of alloying metal is less than 1%, hut as a general rule it is greater; the commonest alloy, in fact, the invariable one, being composed of gold and silver. Sometimes traces of copper are present, but in all other instances elements such as iron and lead appear to be present as compounds admixed with the gold.