H hrushi60 New member Joined Jun 22, 2016 Messages 2 Jul 16, 2019 #1 Hi Guys I have small bars which contains 1. Gold 1.5% 2. Silver 43% 3. Copper 55.5% Do I go for inquartation or aqua regia?? How do I proceeded Regards Hrushi
Hi Guys I have small bars which contains 1. Gold 1.5% 2. Silver 43% 3. Copper 55.5% Do I go for inquartation or aqua regia?? How do I proceeded Regards Hrushi
N nickvc Moderator Staff member Moderator Joined Sep 14, 2009 Messages 5,533 Location birmingham Jul 16, 2019 #2 With that alloy mix simply put into dilute nitric acid apply heat and dissolve the copper and silver leaving the gold as powder in the beaker, to recover the silver use a copper bar or a piece of sheet and cement the silver from the solution.
With that alloy mix simply put into dilute nitric acid apply heat and dissolve the copper and silver leaving the gold as powder in the beaker, to recover the silver use a copper bar or a piece of sheet and cement the silver from the solution.
