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Basically, amalgamation is the practice of bringing free gold particles into contact with mercury. When clean gold comes into contact with mercury, the two substances mix to form a compound called amalgam – an amalgam is simply an alloy of gold and mercury. The gold literally is dissolved into the mercury.

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Since at least the time of the ancient Romans, mercury has been used in the mining of gold and silver. Precious metals are usually found in nature among sand and mud and mixed with other nonmetallic elements like sulfur, a problem for miners to which mercury literally was the solution.

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May 24, 2012· An estimated 15 million small-scale miners in Latin America, Africa, and Asia use quicksilver to refine their gold. That makes selling mercury an increasingly lucrative business, and …

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With E.B. Miller's process of refining impure gold with chlorine gas (patented in Britain in . Elemental gold (and silver as well) is soluble in mercury, so that, when . In order to eliminate the huge capital costs associated with the purchase and.

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ization of the mercury. The gold was further refined at the gold shops. Few, if any, preventative measures were taken to protect the mill or gold shop workers from.

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The mixture of mercury and gold would then be recollected and heated until the mercury boiled away. A simple still like those used to make alcohol would draw away the vaporized mercury, possibly collecting it for reuse, leaving mostly pure gold. Though the gold would have to be refined later for greater purity, the amalgamation with mercury allowed the efficient extraction of gold from poor ...

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A mercury-gold amalgam then is formed because gold will dissolve in the mercury while other impurities will not. The mixture of gold and mercury is then heated to a temperature that will vaporize the mercury, leaving behind the gold. This process does not result in gold that is 100% pure, but it does eliminate the bulk of the impurities.

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2012524&ensp·&enspMercury's Poisonous, Profitable Role in the New Gold Rush. Mercury has been used to refine gold for thousands of years. and buy metals not sold on exchanges, such as mercury

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Using Mercury. Mercury is the only metal which occurs as a liquid at ordinary temperatures and is one of only two metals which occurs naturally in both its metallic and oxidized state, The other being copper. Specifics. Mercury will form amalgams with almost all metals except Iron and Aluminum. ...

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