POTASSIUM CYANIDE FOUND IN NATURE FOR DUMMIES

Bought potassium cyanide powder from Cyanolab for our mining functions. The powder was particularly as explained and arrived by the due date. Extremely advocate their support.”KCN is used as a photographic fixer inside the damp plate collodion method.The KCN dissolves silver where it has not been made insoluble from the developer.Hydrogen gas