Potassium cyanide (KCN) was an important source of alkali metal cyanides prior to the creation in the Castner procedure. It had been produced by the decomposition of potassium ferrocyanide. The reaction is as follows: Gold potassium cyanide is an important gold source used in electrolytic gold plating. The key application https://ricardoigcyv.bcbloggers.com/29797764/how-much-you-need-to-expect-you-ll-pay-for-a-good-is-potassium-cyanide-dangerous