cyanide process

cyanide process
noun
an industrial process for extracting gold and silver by treating ore with a sodium cyanide solution
Hypernyms: ↑industrial process

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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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a process for extracting gold or silver from ore by dissolving the ore in an alkaline solution of sodium cyanide or potassium cyanide and precipitating the gold or silver from the solution.
[1885-90]

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cyanide process,
a method of extracting gold and silver from ores by treatment with a dilute solution of potassium or sodium cyanide.

Useful english dictionary. 2012.

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Look at other dictionaries:

  • cyanide process — n. a process of extracting gold or silver from low grade ores by treating them with a solution of sodium cyanide or potassium cyanide …   English World dictionary

  • cyanide process — cianavimas statusas T sritis chemija apibrėžtis Plieno paviršiaus sluoksnio įsotinimas anglimi ir azotu laikant išlydytuose cianiduose. atitikmenys: angl. cyanidation; cyanide process rus. цианирование …   Chemijos terminų aiškinamasis žodynas

  • cyanide process — a process for extracting gold or silver from ore by dissolving the ore in an alkaline solution of sodium cyanide or potassium cyanide and precipitating the gold or silver from the solution. [1885 90] * * * or MacArthur Forrest process Method of… …   Universalium

  • cyanide process — noun a) A method of extracting gold and silver from their ores with a solution of sodium cyanide b) A process of case hardening iron or steel by immersing it in molten cyanide and then …   Wiktionary

  • cyanide process — cy′anide proc ess n. mel a process for extracting gold or silver from ore by dissolving the ore in an alkaline solution of sodium cyanide or potassium cyanide and precipitating the gold or silver • Etymology: 1885–90 …   From formal English to slang

  • cyanide process — /ˈsaɪənaɪd ˌproʊsɛs/ (say suyuhnuyd .prohses) noun a process for extracting gold from its ores, by dissolving in potassium cyanide, reducing the resulting anion of gold and cyanide with zinc, filtering off the product and subjecting it to… …  

  • Cyanide (disambiguation) — Cyanide is a class of chemical compounds. Cyanide may also refer to: Cyanide and Happiness, a webcomic hosted on Explosm.net and written by four authors Cyanide poisoning, a form of poisoning that occurs when a living organism is exposed to a… …   Wikipedia

  • Cyanide — This article is about the class of chemical compounds. For other uses, see Cyanide (disambiguation). The cyanide ion, CN−. From the top: 1. Valence bond structure 2. Space filling model 3. Electrostatic potential surface 4. Carbon lone pair… …   Wikipedia

  • process — processual /pro sesh ooh euhl/ or, esp. Brit, /proh /, adj. /pros es/; esp. Brit. /proh ses/, n., pl. processes /pros es iz, euh siz, euh seez / or, esp. Brit., /proh ses , proh seuh /, v., adj. n. 1. a systematic series of actions directed to… …   Universalium

  • cyanide mill — noun : a mill in which the cyanide process is used …   Useful english dictionary

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