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water and sulfuric acid that could be used to dissolve (leach) the copper compounds found in the ore if this is possible. in the case of intensive continuous heating, black deposit was formed initially in the acid and on the copper surface, the amount of which in the acid and on the surface of copper
oil of vitriol, or hydrogen sulfate, dense, colourless, oily, corrosive liquid; one of the most important of all chemicals, prepared industrially by the reaction of water with sulfur trioxide (see sulfur oxide), which in turn is made by chemical. pyrrhotite (fes) would be dissolved partly, but pyrite...
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