Cyanide is quantified by potentiometric titration, a way widely used in gold mining. It can even be determined by titration with silver ion. Molten KOH is used to displace halides and various leaving groups. The reaction is especially practical for aromatic reagents to provide the corresponding phenols.[16] Bought potassium cyanide https://landensojfa.bloggip.com/30432330/getting-my-potassium-cyanide-used-for-to-work