How cyanide is used to mine gold. Why is this such a controversial method in the Northern Rocky mountains What environmental problems does this metho?
Despite being used in 90% of gold production, gold cyanidation is controversial due to the toxic nature of cyanide. Although aqueous solutions of cyanide degrades rapidly in sunlight, the less-toxic products, such as cyanates and thiocyanates, may persist for some years.
Answered by Taylor V. -
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