Column Descriptions
Relative Isotopic Standard
Isotope Atomic Mass Composition Atomic Weight Notes
_________________________________________________________________________
44 Ru 96 95.90759025(49) 0.0554(14) 101.07(2) g
98 97.9052868(69) 0.0187(3)
99 98.9059341(11) 0.1276(14)
100 99.9042143(11) 0.1260(7)
101 100.9055769(12) 0.1706(2)
102 101.9043441(12) 0.3155(14)
104 103.9054275(28) 0.1862(27)
_________________________________________________________________________
NIST | Physical Measurement Laboratory | Physical Reference Data | Atomic Weights and Isotopic Compositions Main Page