puits (1) élément trace (1) spectacle (1) phosphate (1) oxygène (1) laser (1) isotope (1) analyse (1) gaz (1) substance chimique (1) étalonnage (1) Calibration (1) Specimens (1) Reference sources (1) Specimens (1) Values (1) Thermogravimetry (1) Secondary ion mass spectrometry (1) Oxygen (1) Materials (1) Mass spectrometry (1) Laboratories (1) Infrared spectroscopy (1) Gas (1) Fluorination (1) Calibration (1) Apatite (1) Materials (1) Analysis (1) Structure (1)