how to dissolve gold from ore

Dissolve Gold From Ore - innhf chlorine hcl to dissolve gold from ores. Leaching of an oxide gold ore with . 1. Introduction. Chlorine had been used to dissolve gold from ores and concentrates, during the second half of the 19th century in Australia and North America. How To: Dissolve gold in aqua regia to make ... Aqua regia (königswasser in German) is a very corrosive liquid made from a mixture of nitric acid and hydrochloric acid (1:2 - 1:3). This chemical mixture is so corrosive that it can even dissolve gold, and that's what you'll learn about in this video. The aqua regia will need to be heated to ... Dummies Guide to GOLD bullion refining at home as a . Additional small (and I emphasise, small) quantities of gold did come from the gold plated edge connectors of 2 memory sticks and gold plated pins removed from 2 old motherboards. You would need a sizable quantity of motherboard and memory sticks to end up with even a small amount of gold.    Read More