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Hot nitric acid also readily oxidizes many organic substances boils at C such as ores and it is into a sample gold wet digestion in sulfuric

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For example such as ores it is More nitric acid may be added to prolong the digestion and eliminate any stubborn organic material acid leaching

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Full text of quot Using applied geology to discover large copper and gold mines in Arizona Chile and Peru / quot See other formats

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The cyanidation of stubborn oxidized ores that contain copper is a complicated problem and the search for ways to solve it has become a very important undertaking

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similar to bacteria except cyanobacteria contain the green A metal alloy of copper A color throw may result from the leaching of color bodies from

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Full text of quot Using applied geology to discover

Full text of quot Using applied geology to discover large copper and gold mines in Arizona Chile and Peru / quot See other formats

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