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Most miners test gold the wrong way. Many miners send a rock or soil sample to a laboratory where a fire assay is performed. That analysis tells you how much gold exists in the ore. But that number does not tell you how much gold a miner will actually produce. Fire assay shows gold content. Metallurgical tests show gold recovery. To understand the real potential of a tailing or ore, we need to run a leaching test. In this test we prepare a simple mixture using: • 1 kg of ore • 1 liter of water •
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