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    Article

    Removal of impurities from crude nickel sulfide by selective dry chlorination and leaching

    Finely ground impure nickel sulfide is treated with dry gaseous chlorine at about 600°F to selectively chlorinate copper, cobalt and iron. These chlorinated impurities are leached from the nickel sulfide by ag...

    A. Illis, V. Opratko, A. Manson in Metallurgical Transactions B (1975)

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    Article

    The recovery of osmium from nickel refinery anode slimes

    The commencement of pilot-scale production of high-purity osmium in 1965 increased to fifteen the number of elements recovered in marketable form from the Sudbury, Ontario, Ni−Cu ores. Detection of minute quan...

    A. Illis, B. J. Brandt, A. Manson in Metallurgical Transactions (1970)