Column Descriptions

                                                                         
             Relative           Isotopic      Standard                   
Isotope      Atomic Mass        Composition   Atomic Weight    Notes     
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92  U   233  233.0396355(29)                  238.02891(3)     g,m
        234  234.0409523(19)    0.000054(5) 
        235  235.0439301(19)    0.007204(6) 
        236  236.0455682(19)                
        238  238.0507884(20)    0.992742(10)
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