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We cover large fields including: karat/scrap gold refining, chemicals & safety, electronic scrap refining, chemical and physical recovery methods, mining and metal detecting, bulding your own equipment, etc. The forum has over 36 000 members and 250 000 posts ! The GRF is and will always be FREE

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Gold usually exists in nature in combination with other rocks and minerals. Some of these, such as silver and copper, may also be precious or semi-precious, but a variety of base metals are usually also present. Though several different techniques exist, any process used to separate metal from impurities or unwanted material is called refining.

Gold Refining Forum. 1K likes. The Gold Refining Community Board is a place for refiners to come together and share experiences and helpful tips with one another!Followers: 1K

To present the essential points of all methods of gold refining commonly practised, as well as those of historic interest,” was the author’s purpose in this volume. The fifteen chapters of which the book consists deal with the Simpler Methods of Early Days;

Apr 03, 2018 · The EU Refining Forum was established in 2012. The aim of the Forum is to provide an opportunity for the industry, EU countries, Members of the European Parliament, the Commission and other stakeholders to discuss planned and future regulatory proposals with potentially significant impacts on the EU oil refining industry and on the EU's security of supply of petroleum products.

Nov 16, 2015 · This video will present the technologies used to refine gold. The video was produced by the IPMI as part of the exhibit, "Worth Its Weight - Gold from the Ground Up" at the Museum of American Finance.Author: TheIPMI

Gold Refining Systems, Inc., is an innovative Company devoted to helping gold miners, prospectors, jewelers and refiners of all sizes to refine gold, silver and other precious metals safely, efficiently, and with ease. Our Company is establishing higher standards in precious metal refining industry for safety, pollution control and efficiency.

Feb 23, 2012 · With the quantity of gold in this tutorial, using the plastic pipette, I added 5 drops of nitric and 15 drops of hydrochloric making a 1:3 mixture of Aqua Regia. Immediately the gold starts to dissolve and the liquid starts to bubble and turn a nice yellow colour. This is a good sign that almost all contaminants have been removed previously.