This research presents a comparative study on the alteration of four commercial silicate glasses (lead crystal, barium glass, soda-lime glass, and borosilicate glass) under acidic conditions (4% acetic acid, pH 2.4, 70°C) for three years. The study analyzed leaching solutions via ICP-AES and investigated glass slabs using ToF-SIMS and spectroscopic ellipsometry. Results indicate that glass composition and silicate network polymerization significantly affect alteration rates and element depletion depths. However, the silicon hydrolysis rate remained consistent across all glasses under identical conditions. Lead crystal glass showed silicate network repolymerization during alteration.
Publisher
npj Materials Degradation
Published On
Aug 17, 2024
Authors
Léa Brunswic, Frédéric Angeli, Thibault Charpentier, Stéphane Gin, Pierre Asplanato, Huseyin Kaya, Seong H. Kim
Tags
silicate glass
acidic conditions
alteration rates
element depletion
glass composition
leaching solutions
hydrolysis rate
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