ND70 Series Basaltic Glass Reference Materials for Volatile Element (H$_2$O , CO$_2$, S, Cl, F) Measurement and the C Ionisation Efficiency Suppression Effect of Water in Silicate Glasses in SIMS - CEA - Université Paris-Saclay
Article Dans Une Revue Geostandards and Geoanalytical Research Année : 2024

ND70 Series Basaltic Glass Reference Materials for Volatile Element (H2O , CO2, S, Cl, F) Measurement and the C Ionisation Efficiency Suppression Effect of Water in Silicate Glasses in SIMS

Résumé

We present a new set of reference materials, the ND70‐series, for in situ measurement of volatile elements (H2, CO2, S, Cl, F) in silicate glass of basaltic composition. The materials were synthesised in piston cylinders at pressures of 1 to 1.5 GPa under volatile‐undersaturated conditions. They span mass fractions from 0 to 6% m/m H2O, from 0 to 1.6% m/m CO2 and from 0 to 1% m/m S, Cl and F. The materials were characterised by elastic recoil detection analysis for H2O by nuclear reaction analysis for CO2 , by elemental analyser for CO2, by Fourier transform infrared spectroscopy for H2O and CO2 , by secondary ion mass spectrometry for H2, CO2, S, Cl and F, and by electron probe microanalysis for CO2, S, Cl and major elements. Comparison between expected and measured volatile amounts across techniques and institutions is excellent. It was found however that SIMS measurements of CO2 mass fractions using either Cs+ or O primary beams are strongly affected by the glass H2O content. Reference materials have been made available to users at ion probe facilities in the US, Europe and Japan. Remaining reference materials are preserved at the Smithsonian National Museum of Natural History where they are freely available on loan to any researcher.

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Géochimie
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Dates et versions

hal-04662147 , version 1 (25-07-2024)
hal-04662147 , version 2 (20-12-2024)

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Yves Moussallam, William Henry Towbin, Terry Plank, Hélène Bureau, Hicham Khodja, et al.. ND70 Series Basaltic Glass Reference Materials for Volatile Element (H2O , CO2, S, Cl, F) Measurement and the C Ionisation Efficiency Suppression Effect of Water in Silicate Glasses in SIMS. Geostandards and Geoanalytical Research, 2024, 48 (3), pp.6 3 7 - 6 6 0. ⟨10.1111/ggr.12572⟩. ⟨hal-04662147v2⟩
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