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Improved Precision and Reference Materials for Stable Carbon Isotope Analysis in Basaltic Glasses using Secondary Ion Mass Spectrometry

Improved Precision and Reference Materials for Stable Carbon Isotope Analysis in Basaltic Glasses using Secondary Ion Mass Spectrometry

This is a Preprint and has not been peer reviewed. The published version of this Preprint is available: https://doi.org/10.1111/ggr.12609. This is version 2 of this Preprint.

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Authors

Joshua Shea , Ery Hughes, Robert Balzar, Ilya Bindeman, Jon Blundy, Richard Brooker, Roman Botcharnikov, Pi...  more

Abstract

We introduce three new reference materials and a new high-precision set-up for stable carbon isotope analysis in basaltic glasses using large-geometry secondary ion mass spectrometry (SIMS) instrument. The new hydrous basaltic reference materials, characterised for carbon concentration and isotope composition by step-heating gas extraction and manometry followed by isotope ratio mass spectrometry, show homogeneity for in situ analysis. Additionally, their hydrogen concentration and hydrogen isotope ratios are reported. Our SIMS protocol uses multi-collection, cycling between concurrent measurements of (_ ^12)C and (_ ^13)C on electron ...  more

DOI

https://doi.org/10.31223/X5X41J

Subjects

Earth Sciences, Geochemistry, Volcanology

Keywords

carbon, carbon isotopes, Low concentration, Secondary Ion Mass Spectromertry, Basalt, glass

Dates

Published: 2024-09-27 21:00

Last Updated: 2025-06-02 21:02

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License

CC BY Attribution 4.0 International

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Conflict of interest statement:
None