Purification of Glass Melts in the AsSe System
with Vacuum Distillation

A. E. Kurganova^a, G. E. Snopatin^b, and M. F. Churbanov^b

^aLobachevsky Nizhni Novgorod State University, Gagarina pr. 23, Nizhni Novgorod, 603950 Russia

^bInstitute of Chemistry of High Purity Substances, Russian Academy of Sciences,
ul. Tropinina 49, Nizhni Novgorod, 603137 Russia

e-mail: kursa85@mail.ru

Received April 15, 2011

Abstract—The behavior of macrocomponents and impurities during vacuum distillation of glass melts in the
As–Se system with arsenic concentrations of 30 and 40 at % in closed and open systems has been investigated.
The possibility of using vacuum distillation in an open system for purifying arsenic selenide glass melts from
oxygen and hydrogen impurities has been demonstrated.

Keywords: chalcogenide glass, vacuum distillation, behavior of macrocomponents and impurities, X-ray fluores-
cence analysis, IR spectroscopy

DOI: 10.1134/S1087659612030078

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