Droes, S. R.
Leaching of pyroxmangite ore with calcium fluoride and sulfuric acid / by S.R. Droes, K.P.V. Lei, and T.G. Carnahan. - Washington, DC : Bureau of Mines, U.S. Dept. of the Interior, 1990. - 8 p. - Report of investigations / Bureau of Mines, United States Department of the Interior . - Report of investigations (United States. Bureau of Mines) .
90001949
Manganese--Metallurgy.
Pyroxmangite.
Leaching.
Sulphuric acid.
Leaching of pyroxmangite ore with calcium fluoride and sulfuric acid / by S.R. Droes, K.P.V. Lei, and T.G. Carnahan. - Washington, DC : Bureau of Mines, U.S. Dept. of the Interior, 1990. - 8 p. - Report of investigations / Bureau of Mines, United States Department of the Interior . - Report of investigations (United States. Bureau of Mines) .
90001949
Manganese--Metallurgy.
Pyroxmangite.
Leaching.
Sulphuric acid.