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Electrolyte life in winning tungsten from scheelite
Electrowinning tungsten in halide and phosphate electrolytes
Recovery of sulfur from molybdenite
A high-temperature, two-phase extraction technique for tungsten minerals
Electrolytic preparation of tungsten metal and tungsten carbide from wolframite
Recovery of lead and sulfur from galena concentrate, using a ferric sulfate leach
Comparison of techniques for electrowinning tungsten from scheelite