Matrix effect investigation and accurate microanalysis of Sn isotope in cassiterite and bronze by fsLA-MC-ICP-MS

Key Points

• This research aims to examine the impact of matrix effects on the accuracy of Sn isotope analysis using a laser ablation technique.
• Utilized a femtosecond laser ablation system coupled to a multi-collector ICP-MS.
• Conducted in situ analysis of Sn isotopes in cassiterite and bronze materials.
• Analyzed variability in results due to matrix effects.
• Finds significant matrix effects that can compromise Sn isotope accuracy.
• Demonstrates the limitations of previous assumptions regarding matrix-free conditions in analyses.
• Reveals improved understanding of complex interactions in microanalysis.