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Empirical Equation for Calculating the Density of Oxide Glasses

Authors

  • Seiji Inaba,

    Corresponding author
    1. Department of Chemical Engineering, Kyushu University, Fukuoka 819-0395, Japan
      †Author to whom correspondence should be addressed. e-mail: sinaba@chem-eng.kyushu-u.ac.jp
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  • Shigeru Fujino

    1. Department of Chemical Engineering, Kyushu University, Fukuoka 819-0395, Japan
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  • L. Pinckney—contributing editor

  • This work was supported by Grand-in Aid for Science Research (C) No. 21560701 from Japan Society for the Promotion of Science.

†Author to whom correspondence should be addressed. e-mail: sinaba@chem-eng.kyushu-u.ac.jp

Abstract

The density of oxide glass including silicate, borate, phosphate, tellurite, and germanate glasses were measured using the Archimedes method. On the assumption that the ionic packing ratio is approximately a constant independent of chemical composition, an empirical equation for estimating the density from chemical composition was proposed. The calculated values are in reasonable agreement with the corresponding measured ones.

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