Atomic Weights and Isotopic Compositions for Hydrogen
 Isotope   Relative
Atomic Mass 		    Isotopic
  Composition  		 Standard
Atomic Weight 		  Notes 
 
1 H 1     1.007 825 032 23(9)   0.999 885(70)  [1.007 84, 1.008 11] m
D 2     2.014 101 778 12(12)   0.000 115(70)
T 3     3.016 049 2779(24)   

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