Extraction of tantalum and columbium from ores and concentrates by chlorination

Author:	May, Sherman L.
Additional Authors:	Engel, G. T.
Year:	1965
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:6635
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	6635
Subjects:	Tantalum
	Niobium
	Extraction (Chemistry)
	Chlorination
Link:	https://hdl.handle.net/2027/mdp.39015078513366