Cyanide is quantified by potentiometric titration, a technique commonly used in gold mining. It can be based on titration with silver ion. KCN is used being a photographic fixer in the moist plate collodion system.The KCN dissolves silver where it has not been made insoluble via the developer. Intense cyanide https://hectormjyng.ltfblog.com/29639935/5-simple-statements-about-is-potassium-cyanide-poisonous-explained