A modified laser ablation‐isotope ratio mass spectrometry method for in situ analysis of sulfur isotope composition of sulfides
Dongwei Guo,
Changfu Fan,
Bin Hu
et al.
Abstract:RationaleA novel laser ablation‐isotope ratio mass spectrometry (LA‐IRMS) method for in situ analysis of sulfur isotopes in sulfides has been developed. Instead of the in situ reaction applied by the traditional laser microprobe, the analyte gas preparation in this method is separated temporally and spatially from the LA, resulting in improved precision and accuracy.MethodsOur LA‐IRMS system combines an ultraviolet LA system, an elemental analyzer (EA), a custom‐built cryogenic concentration system, a continuo… Show more
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