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Extraction of gold using cyanide Gold is found in very low concentrations in the ore from which it is mined. To collect the gold from the ore it needs to be separated from the other minerals in the ore. To do this the gold needs to be made into a soluble form so that it can be separated from the other minerals as gold is insoluble.

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Gold extraction refers to the processes required to extract gold from its ores.This may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore..

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Search for suitable alternative leachants to replace the conventional cyanide for the extraction of gold and silver has received considerable attention in the recent years.

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Gold(III) was incorporated into porphyrins by disproportionation of the gold(I) complex [Au(tht)2]BF4, (tht = tetrahydrothiophene) under relatively mild reaction conditions (refluxing chloroform).