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Glass Physics and Chemistry

, Volume 41, Issue 2, pp 145–150 | Cite as

Study of the principles of fluorine fixation in melts and glass with polar groups

  • A. A. Kiprianov
  • I. A. Ponomarev
Article

Abstract

The results of the study of a series of M2O-ZrO2-SiO2 (M = Li, Na) and Li2O-Ga2O3-SiO2 glass, where the fraction of alkali oxide is replaced by fluoride, are given. Based on the considerations on halogen binding in the melt by the bulky polar groups, a simple model, which allows the prediction of the amount of halogen remaining in glass, is suggested. Good agreement of the calculated and experimental results is obtained: the model correctly predicts the halogen content in glass without a crystal phase, as well as the concentration boundary of the onset of crystallization in glass with excess fluorine content.

Keywords

alkali-silicate glass gallium zirconium halogen synthesis losses 

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Copyright information

© Pleiades Publishing, Ltd. 2015

Authors and Affiliations

  1. 1.St. Petersburg State UniversitySt. PetersburgRussia

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