Some reactions of tungsten (VI) oxide and molybdenum(VI) oxide with liquid sulfur

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100 1 ⊔ ‡aGoodrum, John W.
245 1 0 ‡aSome reactions of tungsten (VI) oxide and molybdenum(VI) oxide with liquid sulfur / ‡cJohn W. Goodrum.
264 ⊔ 1 ‡aL.G. Hanscom Field, Bedford, Massachusetts : ‡bAir Force Cambridge Research Laboratories, United States Air Force, ‡c1970.
300 ⊔ ⊔ ‡avi, 26 pages : ‡billustrations ; ‡c28 cm.
336 ⊔ ⊔ ‡atext ‡btxt ‡2rdacontent
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490 0 ⊔ ‡aAFCRL ; ‡v70-417
490 0 ⊔ ‡aSpecial Reports ; ‡vNo. 99
500 ⊔ ⊔ ‡aResearch supported by the Air Force Cambridge Research Laboratories, United States Air Force, L.G. Hanscom Field, Bedford, Massachusetts.
500 ⊔ ⊔ ‡aSolid State Sciences Laboratory Project 5620.
500 ⊔ ⊔ ‡aAD0711641 (from http://www.dtic.mil).
500 ⊔ ⊔ ‡a"23 July 1970."
504 ⊔ ⊔ ‡aIncludes bibliographical references (pages 25-26).
520 ⊔ ⊔ ‡aIn situ generation of species for crystal growth in solution is a relatively undeveloped, but promising technique for preparation of solid state material. In this work a solvent, liquid sulfur, generates species in solution by chemical reduction at high temperatures. Evaluation of this high temperature reduction agent included measurements of qualitative and kinetic parameters for the reactions molybdic oxide - sulfur and tungstic oxide - sulfur as a function of temperature, time, and atmosphere. Temperature effects on reduction rate over the range 125 to 400C were markedly non-linear. Reduction products isolated include Mo(IV) oxide at 250C; Mo(IV) sulfide at 400C; W(IV) sulfide at 400C. The oxidation product detected whenever reduced species were found was sulfur(IV) oxide. Additional evidence of species WO(x)S(y) and polymeric sulfur was found. Results of this study indicate that liquid sulfur can serve as a straightforward reducing agent at high temperatures. The rate or extent of such reduction is easily controlled by varying thermal conditions or duration of reaction, and the products of such reductions may be readily isolated by solution techniques which remove unreacted sulfur.
538 ⊔ ⊔ ‡aMode of access: Internet.
650 ⊔ 7 ‡aTungsten compounds. ‡2fast ‡0(OCoLC)fst01158906
650 ⊔ 7 ‡aSulfur. ‡2fast ‡0(OCoLC)fst01715342
650 ⊔ 7 ‡aOxides. ‡2fast ‡0(OCoLC)fst01049571
650 ⊔ 7 ‡aMolybdenum compounds. ‡2fast ‡0(OCoLC)fst01024994
650 ⊔ 7 ‡aCrystal growth. ‡2fast ‡0(OCoLC)fst00884619
650 ⊔ 7 ‡aChemical reactions. ‡2fast ‡0(OCoLC)fst00853176
650 ⊔ 0 ‡aCrystal growth.
650 ⊔ 0 ‡aOxides.
650 ⊔ 0 ‡aTungsten compounds.
650 ⊔ 0 ‡aMolybdenum compounds.
650 ⊔ 0 ‡aSulfur.
650 ⊔ 0 ‡aChemical reactions.
710 2 ⊔ ‡aAir Force Cambridge Research Laboratories (U.S.)
730 0 ⊔ ‡aTechnical Report Archive & Image Library (TRAIL)
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