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Visnapuu, A.

Upgrading domestic high-iron chromite concentrates by carbonyl extraction of excess iron / by A. Visnapuu and W.M. Dressel. - Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1985. - 17 p. : ill. ; 28 cm. - Report of investigations ; 8920 . - Report of investigations (United States. Bureau of Mines) ; 8920. .

Bibliography: p. 16-17.

LCCN: 84600252

Subjects--Topical Terms:
Chromium--Metallurgy.
Chromite.
Carbonyl compounds.
Iron--Metallurgy.

LC Class. No.: TN23 TN693.C5 / .U43 no. 8920

Dewey Class. No.: 622 s 669/.734

Gov. Doc. Class. No.: I 28.23:8920