cyanide process
noun
: a method of extracting gold and silver from ores by treatment with a dilute solution of sodium cyanide or calcium cyanide, the dissolved metal being afterwards precipitated from the solution and cast into ingots
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“Cyanide process.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyanide%20process. Accessed 22 Nov. 2024.
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