Determination of tin as stannite-kesterite and cassiterite in ores.
Tin is stannite-kesterite and as cassiterite in a tin-bearing ore can be determined by the selective decomposition of the stannite-kesterite phase with a mixture of sodium nitrate and acetic acid.
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Mineral Sciences Division, Mines Branch Department of Energy, Mines and Resources 555, Booth Street, Ottawa, Canada.