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  1. Refining of Precious Metals from the Sudbury Nickel Ores, The (1960 Film)

    Subject
    Technology
    Distribution
    Film (16mm)

    Shows processes used in the refining of platinum, palladium, rhodium, ruthenium, iridium, gold and silver concentrates remaining after nickel and copper are extracted from the ore.

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  2. Refining Copper from the Sudbury Nickel Ores (1959 Film)

    Subject
    Technology
    Distribution
    Film (16mm)

    Detailed description of the refining of copper from the relatively crude 97% pure blister copper to the electrolytically refined copper of 99.97% purity.

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  3. Refining Nickel from the Sudbury Ores (1957 Film)

    Subject
    Technology
    Distribution
    Film (16mm)

    Explains the purpose of refining and shows some of the principles involved. Surveys electrolytic and Mond Carbonyl methods of nickel refining on the large scale necessary to obtain the great quantities of...

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