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Start Over Author "Paul L. Provenzano" Journal cheminform
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1. ChemInform Abstract: New Ternary Phases in Some Alkaline-Earth Rare-Earth Sulfide Systems

Author

William B. White and Paul L. Provenzano

Subjects
chemistry.chemical_classification, Alkaline earth metal, Sulfide, chemistry, Rare earth, Inorganic chemistry, chemistry.chemical_element, General Medicine, Electron microprobe, Ternary operation, Sulfur, Powder diffraction, Refractory (planetary science)
Abstract

New ternary alkaline-earth rare-earth sulfide phases of composition MLn2S7 where M = Ca or Sr and Ln = La, Nd, or Gd have been formed by open-system reactions in flowing H2S. The phases have been characterized by X-ray powder diffraction and electron microprobe analysis. These compounds form as low-melting (Tm approximately 1100°C) products when refractory compounds along the MS-Ln2S3 join are oxidized at high sulfur fugacities.

Published
1990
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