Analysis of high-purity columbium by optical emission spectrography

Author:	Carpenter, Lloyd.
Additional Authors:	Nishi, James M.
Year:	1964
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:6414
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	6414
Subjects:	Niobium
	Spectrum analysis
Link:	https://hdl.handle.net/2027/mdp.39015078527184