formula of sodium cyanide use for gold processing

  • Basement Chemistry for the Prospector - Cyanide Leaching

    The first chemical leaching of gold occurred in the late 1800's with the ... for most purposes, it is still the preferred method of gold extraction and by the fact ... Sodium cyanide is a very simple chemical composed of one atom of sodium, ... Its chemical formula is NaCN. ... The scale that is used to measure pH goes from 0-14.

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  • Use in Mining

    This document provides a general overview of the use of cyanide in the gold and silver ... Sodium cyanide is supplied as either briquettes or liquid, while calcium...

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  • What is the role of cyanide in mining

    Cyanide, in the form of a very dilute sodium cyanide solution, is used to dissolve and separate gold from ore. [3] The process used to extract gold using cyanide...

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  • The Management of Cyanide in Gold Extraction - Mining Focus

    Gold mining operations use very dilute solutions of sodium cyanide ... lution using cyanide solutions, and “Elsner's Equation” describing the extraction of gold...

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  • Cyanide Leaching Of Gold - Mine Engineer

    That presumes that the only elements are the gold, Sodium Cyanide and water. ... Zinc, the element used to precipitate gold from solution, if present in the ore, will ... Generally, the recovery for cyanide leaching of sulfide or refractory ores is no ... distribute the cyanide solution to a large structure of gold ore, called a "heap".

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  • Gold cyanidation - Wikipedia

    Gold cyanidation is a metallurgical technique for extracting gold from low-grade ore by converting the gold to a water-soluble coordination complex. It is the most commonly used process for gold extraction. ... To prevent the creation of toxic hydrogen cyanide during processing, slaked lime (calcium hydroxide) or soda...

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  • Sodium cyanide Formula - Sodium cyanide Uses, Properties ...

    Formula and structure: The chemical formula of sodium cyanide is NaCN, and its ... compound is in the mining industry, where it is used to extract gold and other...

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  • Sodium cyanide - Formula, Structure, MSDS, Uses and Properties ...

    The structure of solid NaCN is related to that of sodium chloride, in which the numbers ... The above reaction is normally addressed as cyanide process or gold...

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  • Extraction of gold using cyanide - NZQA

    To make gold soluble sodium cyanide (NaCN) is ... The ore is ground and crushed and any free gold is extracted by use of gravity ... Elsener's equation occurs:.

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  • Sodium cyanide - Wikipedia

    Sodium cyanide is an inorganic compound with the formula NaCN. It is a white, water-soluble solid. Cyanide has a high affinity for metals, which leads to the high toxicity of this salt. Its main application, in gold mining, also exploits its high reactivity toward...

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