Spectrophotometric method for assessing oxidation of chalcopyrite-bearing ores and concentrates |
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| Authors: | Faye G H |
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| Institution: | Canada Centre for Mineral and Energy Technology, Mineral Sciences Laboratories, Department of Energy, Mines and Resources, Ottawa, Canada. |
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| Abstract: | The short-term oxidation of chalcopyrite ores and concentrates, during storage, can be monitored by measuring the absorbance of the purple Cu(I)-biquinoline complex that is formed when powdered samples are agitated directly with a water-acetone solution of 2,2'-biquinoline. |
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