A controlled-use reagent applied at low dosage to depress pyrite and pyrrhotite during copper and gold sulphide flotation.
Sodium cyanide, NaCN, CAS 143-33-9. Highly toxic and tightly regulated; handled only by qualified, licensed personnel under strict protocol.
Depresses iron sulphides (pyrite, pyrrhotite) to improve copper or gold concentrate grade, and is separately used in gold cyanidation leaching.
Store in a dedicated, secured, ventilated facility away from acids.
Highly toxic; releases lethal HCN gas on contact with acid. Supplied only to licensed, verified end-users with full regulatory documentation and SDS. Full Safety Data Sheet (SDS) supplied with every consignment.