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Jul 03, 2007· Many thanks.. I have just read the thread you posted above... My confusion is clearing... Gold Filled and Karat gold are different because they are NOT 24K gold as in plating... hence the problems in the deplating cell...

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Dec 11, 2012· There probably is some known relationship, maybe, with urea but I don't know what it is. I do know that I tried to neutralize a solution, using urea, that had a large nitric percentage (50% v/v) and ended up with 3 or 4 inches of crystals on the bottom and about 2" of crystals floating on top, in a bucket.

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Jun 18, 2018· My sources of gold is slags from the old gold and silver processing plant.. The same slags is high in iron content...I clashed the slag to fine powder 200mesh to make sure it dissolve well in acid...I prepared aqua reiga acid and disolved my slag in it and after some time the liquid turn emerald green..I filtered the solution to make sure its clear..after that I added …

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Mar 04, 2010· Gold Refining Forum.com. Hobbyists and Professionals Helping One Another. Skip to content. Quick links. FAQ; Logout; Register; Board index. X-ray micrographs of various chips. Lists, Photos, Discussion. 17 posts • Page 1 of 1. badastro Active Member Posts: 94 Joined: July 7th, 2007, 9:06 pm


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