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September 10, 2025VolcanicaOpen Access

A robust quantification of H2O in silicate glasses through micro-Raman spectroscopy: insights on the compositional effect

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This research demonstrates improved water content measurement in silicate glasses, highlighting compositional effects in volcanic glass systems.

Micro-Raman spectroscopy accurately measures water content in silicate glasses, confirming its reliability in volcanic analyses.
A novel calibration method achieved an average error of ±0.07 in determining water content across diverse glass compositions.
Regression analysis yielded reproducible equations for water content based on Rw/s ratios, enhancing accuracy compared to previous methods.
H and H/Σcations relationships are influenced by trivalent and pentavalent cations, suggesting further research is necessary.

Ridolfi et al. (2025) studied this question.

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This research demonstrates improved water content measurement in silicate glasses, highlighting compositional effects in volcanic glass systems.