The producer price index for the manufacturing industries sector, excluding petroleum refining, decreased by 0.2% in December 2024 compared to November 2024, according to the High Commission for ...

To produce metallic copper with high quality, it is important to have all impurities present in the electrorefining cell under control. Antimony is present in the copper refining electrolyte as an ...

The extraction of gold from refractory gold mineral deposits is becoming increasingly necessary. The presence of gold encapsulated within the crystalline matrix of iron sulfide minerals, such as ...