Eingangstestat am 2. Dez 2024 um 16:00 Uhr im GFZ Potsdam, Raum E209. Kenntnisse in Isotopengeochemie und stabile Isotope sind Voraussetzung.

Please also pre-register at britta.ernst@fu-berlin.de  until 1. November 2024

We explore the so-called „non-traditional“ stable isotopes, of which the minor shifts by isotope fractionation have been made detectable by multicollector ICP-mass spectrometry. These are for example the elements lithium, magnesium, silicon, calcium or iron. • Why do isotopes shift their relative abundances? Principles of mass-dependent isotope fractionation. Isotope fractionation during precipitation, mineral dissolution, weathering, uptake by higher plants, biomedical applications, the hydrosphere, and formation of the planets. Basics of MC-ICP-mass spectrometry: sample preparation, ionisation, ion optics and mass separation, detection systems, data evaluation.