Cyanide is quantified by potentiometric titration, a technique greatly used in gold mining. It will also be based on titration with silver ion. That is made up of the strong base (KOH) and a weak acid (HCN). This is often used with the extraction of gold, silver, and various metals. https://potassium-cyanide-price-p71470.collectblogs.com/75738464/top-latest-five-potassium-cyanide-common-name-urban-news