SEARCH Articles Figures Tables Arenium ions isotope effects Estimates of Absolute Ion Shieldings from Relaxation Rates and Solvent Isotope Shifts Halide ions water isotope effects Ion exchange isotopic Ion probe Mg isotopic measurements Isotope effects on ion abundances Isotope ratio measurements of lighter ions Isotope-Containing Organic Compounds as Ion-Radical Precursors Isotopic cluster ions Isotopic molecular ion Isotopically enriched ion Molecular ion and isotopic peaks Multiply charged ions isotopic patterns Multiply charged ions resolving isotopic patterns Necessary Basics Elements, Isotopes, Ions, Chemical Reactions, Energy Metabolism, and Bacterial Structures Unit-Mass Molecular Ion and Isotope Peaks