Column Descriptions Relative Isotopic Standard Isotope Atomic Mass Composition Atomic Weight Notes _________________________________________________________________________ 22 Ti 46 45.95262772(35) 0.0825(3) 47.867(1) 47 46.95175879(38) 0.0744(2) 48 47.94794198(38) 0.7372(3) 49 48.94786568(39) 0.0541(2) 50 49.94478689(39) 0.0518(2) _________________________________________________________________________NIST | Physical Measurement Laboratory | Physical Reference Data | Atomic Weights and Isotopic Compositions Main Page