Abstract

The IR spectra of glasses of the composition 16 Cs2O · 10 CaO · 74 SiO2 with different water contents were measured and quantitatively analyzed with regard to the water content. Nuclear reaction analysis (NRA) was used for calibration. The practical extinction coefficients were determined for the OH vibrational bands at 3500 and 2800 cm–1. The two-band method of Scholze was applied to IR spectra of three different alkali lime silica glasses containing Na+, K+, or Cs+ as network modifier cations. After correcting the extinction coefficients, this method is very suitable for determination of total water concentrations in glasses.

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