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Extraction of zirconium from Nigerian high-hafnium concentrate

Separation of tantalum from columbium by the hydrofluoric acid-sulfuric acid-methyl isobutyl ketone system

Published Year

• 1960-1969 (2) *

Subject

• Hafnium (1)
• Niobium (1)
• Tantalum (1)
• Zirconium--Metallurgy (1)

Author

• May, Sherman L. (2)
• Tews, J. L. (2) *
• Goff, T. N. (1)
• Henderson, A. W. (1)

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