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- Metallurgical application of solvent extraction :fundamentals of the process
- Extraction of manganese from low-grade dolomitic materials by a roast-leach process
- Chelating agents in separation of rare-earth compounds by solvent extraction with amines
- Recovery of beryllium from Spor Mountain, Utah, ore by solvent extraction and caustic stripping
- Separation and recovery of cobalt and nickel by solvent extraction and electrorefining
- Metathesis of bastnasite and solvent extraction of cerium
- Naphthenic acid solvent extraction of rare-earth sulphates
- Extraction of tantalum and columbium from ores and concentrates by chlorination
- Recovery of scandium from uranium plant iron sludge and from wolframite concentrates
- Extraction and separation of rare-earth elements in Idaho euxenite concentrate