Effects of Domain Mixing on High-Precision 142 Nd/ 144 Nd Measurements Using Thermal-Ionization Mass Spectrometry

Key Points

• This research aims to examine how domain mixing affects the precision of 142 Nd/144 Nd measurements using thermal-ionization mass spectrometry.
• Utilized thermal-ionization mass spectrometry to measure isotopic ratios.
• Investigated the effects of domain mixing on measurements of 142 Nd/144 Nd ratios.
• Conducted high-precision isotope ratio analysis to evaluate variations.
• Found significant variations in the 142 Nd/144 Nd isotope ratio due to domain mixing.
• Demonstrated that domain mixing can lead to subtle but critical inaccuracies in isotopic measurements.
• Highlighted the impact of these variations on understanding early solar system history.