Center for Geological Survey, Geological Agency, Ministry of Energy and Mineral Resources, Bandung, Indonesia
BibTex Citation Data :
@article{JKSA69224, author = {Mutiara Effendi and Indah Yuni Prasetiawati and Melnawati Rohman}, title = {Lead Isotope Ratio Optimization using Q-ICP-MS for Volcanic Rocks}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {28}, number = {5}, year = {2025}, keywords = {earth science; geochemistry; lead isotope ratio; mass spectrometry; optimization}, abstract = { Lead isotope ratios are a valuable tool for tracing the origin and evolution of volcanic rocks, supporting exploration of critical metals for renewable energy. While multi-collector and thermal ionization mass spectrometers offer superior precision, they are costly and time-consuming. For rapid, preliminary analyses of lead-rich samples, quadrupole mass spectrometry can provide sufficient results with appropriate optimization. This study aims to optimize the measurement of lead isotope ratios using quadrupole ICP-MS (Q-ICP-MS) for several volcanic rocks from Indonesia. After multivariate optimization of the main operating conditions (dwell time 1-3 ms, sweep number 2000-4000, and replicate 2-6), the isotopic ratios were measured with an internal precision of 0.05-0.9 %RSD; the accuracy is 99.97-103.79 %, and reproducibility is 8.8-10.5 Horwitz value. Our measurements agree well with the reported data of certified reference material AGV-2 and within analytical uncertainties. }, issn = {2597-9914}, pages = {225--234} doi = {10.14710/jksa.28.5.225-234}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/69224} }
Refworks Citation Data :
Lead isotope ratios are a valuable tool for tracing the origin and evolution of volcanic rocks, supporting exploration of critical metals for renewable energy. While multi-collector and thermal ionization mass spectrometers offer superior precision, they are costly and time-consuming. For rapid, preliminary analyses of lead-rich samples, quadrupole mass spectrometry can provide sufficient results with appropriate optimization. This study aims to optimize the measurement of lead isotope ratios using quadrupole ICP-MS (Q-ICP-MS) for several volcanic rocks from Indonesia. After multivariate optimization of the main operating conditions (dwell time 1-3 ms, sweep number 2000-4000, and replicate 2-6), the isotopic ratios were measured with an internal precision of 0.05-0.9 %RSD; the accuracy is 99.97-103.79 %, and reproducibility is 8.8-10.5 Horwitz value. Our measurements agree well with the reported data of certified reference material AGV-2 and within analytical uncertainties.
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