Determination of silver in ores and metallurgical concentrates by a combination of fire-assay preconcentration (using tin as collector) and atomic-absorption spectrophotometry |
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| Authors: | Moloughney P E Graham J A |
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| Affiliation: | Fire-Assay Laboratory, Mineral Sciences Division, Mines Branch, Department of Energy, Mines and Resources, Ottawa, Canada. |
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| Abstract: | A new method is described for the determination of silver in ores and metallurgical concentrates. The procedure is based on collection of silver in a tin button during a fire assay fusion, and the subsequent determination by atomic-absorption spectrophotometry. The proposed method is rapid and free from inter-element interferences, and results obtained agree favourably with those obtained by alternative methods. |
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