Column Descriptions

                                                                         
             Relative           Isotopic      Standard                   
Isotope      Atomic Mass        Composition   Atomic Weight    Notes     
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38  Sr  84   83.9134191(13)     0.0056(1)     87.62(1)         g,r
        86   85.9092606(12)     0.0986(1)   
        87   86.9088775(12)     0.0700(1)   
        88   87.9056125(12)     0.8258(1)   
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