Hydrofluoric acid leaching consistently achieved niobium dissolution in excess of 95% when testing acid dosages ranging from 90% to 130% of the stoichiometric requirement of hydrofluoric acid for a ...

NioBay Metals Inc. ("NioBay" or the "Company") is pleased to announce the successful results of metallurgical testing conducted by SGS on concentrate from the James Bay niobium project (the "Project") ...