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Filmed in Sudbury, Ontario, this programme illustrates the effects of mineral extraction and processing on the environment. The example used is nickel, and contrasts are drawn between two periods. In the...
1 (15 min): Close-up photography of colour reactions and colour of metal ions in solution. Titanium dioxide, tetrachloride, and reduction of titanium IV to III. Manganese ions from II to VII, and oxidation...
An instructional film dealing with the theoretical aspects of the electro-chemical principles of deposition of nickel. Discusses the value of protecting metals against corrosion and reviews the formation of...
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.
Detailed description of the refining of copper from the relatively crude 97% pure blister copper to the electrolytically refined copper of 99.97% purity.
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...
Shows the methods of locating and defining an ore body and gives an indication of the vast extent and intricacy of the work needed to develop a modern mine and extract the ore. Discusses five methods of...
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