Extraction. Silver is extracted from the ore argentite (\(Ag 2S\)). The process of extraction of silver is called as cyanide process as sodium cyanide solution is used. The ore is crushed, concentrated and then treated with sodium cyanide solution. This reaction forms sodium argento cyanide \(Na [Ag(CN) 2]\).
Silver is mined by extracting the ore from the ground and processing it. The metal is commonly extracted from the ore by smelting or chemical leaching. It should be noted that silver is also
Extraction Of Silver. The extraction of silver by the solving processes simple. The ore is first roasted with salt in the usual way, whereby the formation of base metal chlorides cannot be avoided entirely. After roasting, the ore is first subjected to leaching with water, in order to extract the base metal chlorides,
Extraction of silver from Argentite. The mixture is disturbed by passing compressed air where ore forms froth with pine oil amp; comes to the surface while impurities are left in water. b. Treatment with sodium cyanide The concentrated are is treated with 0.4% to 0.7% aqueous solution of sodium cyanide and the current of air pass through it.
The Silver Extraction Process. The local variety of Galenite is silver bearing and is known as Argentiferous Galenite (formula (Pb.Ag)S ) and the lead obtained from this ore contains just a small percentage of silver from 0.8% up to 5% (other sources say Laurion galena contains typically only 0.13 to
Silver occurs in the ores of many other metals, probably as sulphide. Lead, zinc, and copper ores often contain it, and small quantities occur in iron pyrites and mispickel (arsenical iron pyrites). The production of silver from these sources is nearly one half of the total extracted. Extraction Processes.
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