000 01056nam a2200313u 4500
001 00790559
003 PWmBRO
005 20180323233818.0
008 841221s1985 paua b f00010 eng
050 0 _aTN23
_b.U43 no. 8957
_aTN796
082 0 _a622 s
_a669/.52�19
090 0 0 _aVF
_b669.52/P912d
100 1 0 _aPrater, R. B.
_q(Raymond B.)
245 1 0 _aDefluorination of byproduct zinc concentrates /
_cby R.B. Prater, Jr., V.R. Miller, and E.R. Cole, Jr.
260 0 _aPittsburgh, Pa. :
_bU.S. Dept. of the Interior, Bureau of Mines,
_c1985.
300 _a13 p. :
_bill. ;
_c28 cm.
490 1 _aReport of investigations ;
_v8957
504 _aBibliography: p. 12-13.
650 0 _aZinc
_xMetallurgy.
650 0 _aFluorine.
650 0 _aLeaching.
650 0 _aFluorspar.
650 0 _aSulphuric acid.
700 1 0 _aCole, E. R.
_q(Ernest R.)
700 1 0 _aMiller, V. R.
_q(Vernon R.),
_d1941-
710 1 0 _aUnited States.
_bBureau of Mines.
830 0 _aReport of investigations (United States. Bureau of Mines) ;
_v8957.
942 _2ddc
999 _c34365
_d34365