Gold Refining Forum


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Dummies Guide to GOLD bullion refining at home as a long ...

Feb 24, 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.

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Nov 16, 2019· How to Refine Gold. You may want to make some extra money by refining your own gold at home, or you may be a jeweler who wants to refine gold in-house. There are multiple ways to refine gold on a small scale as long as you take appropriate...

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Gold Refining Forum. 998 likes. The Gold Refining Community Board is a place for refiners to come together and share experiences and helpful tips with... - GoldRefiningWiki is the best forum on the internet when it comes to refining precious metals.The forum was started by forum Administrator Jean-Nicolas Allaire (Noxx) in February 2007. Noxx was only 17 years old and still in school when he did it.

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Nov 15, 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 …

Gold Refining - Chemistry - Science Forums

Page 1 of 2 - Gold Refining - posted in Chemistry: I was looking into gold refining and came across a lot of information on Aqua Regina. While I found quite a feww step-by-step articles, I have yet to find anything that explaines exactly why mixing these acids can dissove gold. Anyone care to lent this old phogy some help in the matter?


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Gold-Silver Forums. Welcome to the Gold-Silver Forums. Precious Metals Threads / Posts Last Post!Forum description. Gold, Silver, Precious Metals ... Minting, refining, mining, panning. Discuss the core technologies that lead up to coins, bullion, etc. . Forum Actions: Forum Statistics: Threads: 49;

Do is ok ? - Page 3 - Gold Refining

May 16, 2015· Has anyone tried to use one of those diamond grinding cups (the type used for masonry grinding) on pcb foils? Seems to me if used on a drill at a low speed submersed underneath water such as in a tray of some type, it would keep all dust confined into a recoverable space.

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Sep 17, 2015· Gold Refining Gold Plated Scrap Sulfuric Acid Stripping Cell 1of2 ... The complete process including harvesting the gold from the cell and refining it to high purity. ... Gold Refining Gold …

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Processing, smelting and refining gold | World Gold Council

The two gold refining methods most commonly employed to derive pure gold are: the Miller process and the Wohlwill process. The Miller process uses gaseous chlorine to extract impurities when gold is at melting point; impurities separate into a layer on the surface of the molten purified gold.

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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;

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Gold Refining Forum. 998 likes. The Gold Refining Community Board is a place for refiners to come together and share experiences and helpful tips with...

Sreetips How To Refine Scrap Gold Jewelry - YouTube

Jan 19, 2018· Sreetips How To Refine Scrap Gold Jewelry sreetips. Loading... Unsubscribe from sreetips? ... Gold Refining 740 Grams of Gold Filled Scrap - Duration: 1:27:42. sreetips 583,838 views.


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GOLD REFINING FORUM HANBOOK VOL 1 | Nitric Acid | Solubility

Gold Refining Forum. com Gold Refiners Community. 1 General Reaction List. All, There seems to be a lot of confusion on the various acid mixtures used in the different reactions. I've put together this quick list of reaction mixes.