Characterization of the valence state of iron in coal dust

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100 1 ‡aDoughty, D. A.
245 1 0 ‡aCharacterization of the valence state of iron in coal dust / ‡cby D.A. Doughty and C.W. Dwiggins, Jr.
260 ‡a[Washington, D.C.] : ‡bU.S. Dept. of Interior, Bureau of Mines, ‡c[1973]
300 ‡a17 p. ; ‡c26 cm.
490 0 ‡aReport of investigations / United States Department of the Interior, Bureau of Mines ; ‡v7726
504 ‡aBibliography: p. 16-17.
538 ‡aMode of access: Internet.
650 0 ‡aIron compounds.
650 0 ‡aCoal ‡xAnalysis.
650 0 ‡aMine dusts ‡xAnalysis.
700 1 ‡aDwiggins, C. W., ‡cJr.
710 2 ‡aBartlesville Energy Research Center.
710 1 ‡aUnited States. ‡bBureau of Mines.
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