Описание: Recent advances in tandem mass spectrometry have enabled the inline separation of isobaric interferences using reaction cell chemistry. For instance, separation of 87Rb from 87Sr using SF6 as a reaction cell gas allows for the determination of 87Sr/86Sr and 87Rb/86Sr ratios by measuring 85Rb on-mass and calculating the corresponding 87Rb, and measuring 86Sr and 87Sr mass-shifted as SrF (at masses 105 and 106, respectively). This enables the determination of Sr isotope ratios and Rb/Sr dates in situ in geologic materials by laser ablation (LA) ICP-MS/MS.
Лектор: Alicia Cruz-Uribe, PhD, Edward Sturgis Grew Associate Professor of Petrology and Mineralogy, Graduate Coordinator, School of Earth and Climate Sciences, University of Maine
Продължителност: 1 час и 7 минути
Дата: 18 май 2022, 21:00 ч. българско време
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