STRUCTURE OF VITREOUS AND LIQUID BORON TRIOXIDE AND SOME SIMPLE BORATES
GENERAL ELECTRIC CO SCHENECTADY NY
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Research was conducted to obtain structural information on the vitreous and liquid B2O3 and binary borates. By the use of high-pressure techniques, simple crystals of two forms of B2O3 were prepared for x-ray diffraction studies. The tentative phase diagram for liquid and crystalline B2O3 was constructed up to 1100 C and 90,000 atmospheres. The effects of water on the viscosity, electric conductance, and density of liquid B2O3 were examined indicating that some of the current hypotheses concerning the structure of liquid B2O3 can be rejected. Preliminary results on the IR absorption of solid and liquid B2O3 were obtained. Other work in progress includes nuclear magnetic resonance absorption, viscosity measurements of binary borates at temperatures below the liquidus, and single-crystal diffraction on alpha-and betaB2O3.
- Inorganic Chemistry
- Ceramics, Refractories and Glass