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The ScCl3-Sc System

One of 3 reports in the series: Ames Laboratory, Iowa State University (IS) series available on this site.
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Description

Experimental data supporting lower valence halides of scandium were not found in the literature. Our investigation was of the phase diagram of the ScCl3-Sc system, and also the vapor pressure-composition isotherm (at 960 degree) for this system. Investigation of the ScCl3-Sc system presented particular difficulties in comparison with analogous systems for rare earth elements in that ScCl3 is highly volatile (boiling pt. = 967 degree); according to our data the vapor pressure is 512 mm Hg measured at 960 degree C. Furthermore, ScCl3 and its vapors react vigorously with quartz. Because of the mentioned extent of reaction in a quartz … continued below

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6 pages : illustrations

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Polyachenok, O. G. & Novikov, G. I. April 1964.

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Experimental data supporting lower valence halides of scandium were not found in the literature. Our investigation was of the phase diagram of the ScCl3-Sc system, and also the vapor pressure-composition isotherm (at 960 degree) for this system. Investigation of the ScCl3-Sc system presented particular difficulties in comparison with analogous systems for rare earth elements in that ScCl3 is highly volatile (boiling pt. = 967 degree); according to our data the vapor pressure is 512 mm Hg measured at 960 degree C. Furthermore, ScCl3 and its vapors react vigorously with quartz. Because of the mentioned extent of reaction in a quartz ampule, the inside was covered with a solid layer of metallic molybdenum for use with relatively large batches of ScCl3.

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6 pages : illustrations

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Digitized from microopaque cards (1).

Includes bibliographic references (page 3).

Zhur. Neorg. Khim. 8, 2819(1963)

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  • SuDoc Number: Y 3.At 7:22/IS-TRANS 2
  • Report No.: IS-TRANS 2
  • Accession or Local Control No: metadc1257412
  • Archival Resource Key: ark:/67531/metadc1257412

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Imaged from microcard, these technical reports describe research performed for U.S. government agencies from the 1930s to the 1960s. The reports were provided by the Technical Report Archive and Image Library (TRAIL).

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  • April 1964

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  • June 18, 2021, 7:22 a.m.

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  • June 27, 2023, 12:24 p.m.

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Polyachenok, O. G. & Novikov, G. I. The ScCl3-Sc System, report, April 1964; Ames, Iowa. (https://digital.library.unt.edu/ark:/67531/metadc1257412/: accessed May 20, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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