Browse TRAIL Inventories

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

Separating tantalum and columbium by solvent extraction :HF- HCl-Diethyl ketone system

Columbium and tantalum:a materials survey

Preparation of columbium and tantalum by metallic reduction of their chlorides

X-ray spectrographic analysis for trace quantities of tantalum in columbium

Heat of formation of tantalum carbide

Extraction of tantalum and columbium from ores and concentrates by chlorination

Thermodynamic data for molybdenum carbide and tantalum carbide

Microflotation studies of some columbium-tantalum minerals


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