
Tab. 2. LA-ICPMS operating conditions.InstrumentParameterValueArF 193nm laser ablationLaser fluence12 J/cm2Repetition rate10 HzPitsize diameter30 µmAblation CellTwo-volume HelEx cellCell gas FlowHe - 0.8 l/minScan Speed5µm/sICP-QMSAcquisition modeTime resolvedNebulizer gas flowAr - 0.9 l/minIsotopes measured43Ca and 88SrIntegration time210 ms/isotope
