for isotope analysis. Sample preparation (Photo: Alfred-Wegener-Institut, Levent Vorpahl) Ceramic tube furnace (Carbolite GmbH) (Photo: Alfred-Wegener-Institut, Levent Vorpahl) For measuring stable oxygen [...] e oxygen– Rapid Communicatons in Mass Spectrometry 24: 2655–2664. Laser fluorination (Photo: Alfred-Wegener-Institut, Levent Vorpahl) Dehydrated samples are then combusted under BrF5 atmosphere by means [...] opal to O2 and SiF4 (this process is called laser fluorination). PDZ Europa 2020 IRMS (Photo: Alfred-Wegener-Institut, Levent Vorpahl) Polar Terrestrial Environmental Systems: <link en science geosciences