Zinc Copper Lead Gold & Silver Concentrate Marketing
Dec 14, 2016 From the above explanation of the effect of the various constituents of ores on smelter practice, one can readily see that the maximum return is obtained when lead, copper or zinc concentrates are shipped to the respective plants which specialize in their treatment. For example, if you ship a lead-copper concentrate to a lead smelter, you will receive about 30 cents a pound less for the.
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