What question did this study set out to answer?

This research aims to analyze lithium isotope ratios without the need for calibration to external standards.

June 21, 2026Analytical Chemistry1 citations

Calibration-Free Analysis of Li Isotope Ratios Using Laser Ablation and Laser Absorption Spectroscopy

MPMark C. Phillips KMKyle A. Makovsky RSR. E. Stevens

Key Points

This research aims to analyze lithium isotope ratios without the need for calibration to external standards.
Utilized laser ablation and laser absorption spectroscopy for analysis
Measured isotope ratios in 30 seconds
Compared results with ICP-MS measurements for accuracy
Achieved isotopic precision of 0.6-1.8%
Demonstrated relative accuracy within -0.3% to -5% compared to ICP-MS
Provided rapid analysis method for lithium in relevant fields

Abstract

Li ratios demonstrates relative isotopic precisions of 0.6-1.8% for spectra acquired in 30 s. Isotope ratios determined from the spectral fits show relative accuracy within -0.3% to -5% of ICP-MS measurements, without requiring calibration to external standards, and offering a rapid analysis approach to lithium isotope determination in solid materials relevant to nuclear energy, safeguards, and geochemistry.

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Cite This Study

Phillips et al. (Thu,) studied this question.

synapsesocial.com/papers/6a377edf24f042ddf4c59b4f https://doi.org/https://doi.org/10.1021/acs.analchem.6c01718

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