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Development of Experimental Approach for the Phase Equilibria Study of Arsenic-Containing Systems

  • Svetlana SinevaEmail author
  • Roman Starykh
  • Olga Novozhilova
  • Alena Kostyanko
  • Evgeny Trofimov
  • Dmitriy Zherebtsov
Article
  • 13 Downloads

Abstract

The technique of arsenic-contained compounds synthesis has been developed. The experimental samples synthesis is proposed to be divided in two stages. The first stage includes the long-term heating of samples in specially developed high-pressure furnace with the excessive pressure to 50 bar at 900 °C. The second stage relates to conventional heating process at 1 atm pressure and 1200 °C. Results of differential thermal analysis, scanning electron microscopy and energy-dispersive x-ray spectroscopy has shown the consistency of obtained data to the preset phases and their compositions. The developed method can be used for studies of phase equilibria in multicomponent arsenic-contained systems or any complex systems with volatile compounds.

Keywords

Phase equilibria arsenic volatile compounds iron arsenides 

Notes

Acknowledgments

The study was supported by RFBR grants Nos. 18-29-24166 and 17-08-00875.

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Copyright information

© ASM International 2019

Authors and Affiliations

  • Svetlana Sineva
    • 1
    • 2
    Email author
  • Roman Starykh
    • 2
    • 3
  • Olga Novozhilova
    • 2
    • 3
  • Alena Kostyanko
    • 4
  • Evgeny Trofimov
    • 5
  • Dmitriy Zherebtsov
    • 5
  1. 1.The University of QueenslandBrisbaneAustralia
  2. 2.Peter the Great St. Petersburg Polytechnic UniversitySt. PetersburgRussia
  3. 3.LLC Gipronickel InstituteSt. PetersburgRussia
  4. 4.ITMO UniversitySt. PetersburgRussia
  5. 5.South-Ural State Federal UniversityChelyabinskRussia

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