SEARCH Articles Figures Tables Determination of Trace Elements and Elemental Species Using Isotope Dilution Inductively Coupled Plasma Mass Spectrometry GC-MS and Isotope Ratio Mass Spectrometry Isotope Analysis Including Age Determination of Minerals and Rocks by Mass Spectrometry Isotope spectrometry Isotopes masses Isotopic mass spectrometry Isotopic masses Mass Spectrometry and Isotopic Abundance Mass spectrometry and stable isotopes Mass spectrometry isotopes Mass spectrometry, and