Atomic Weights and Isotopic Compositions for Mercury
Column Descriptions

                                                                         
             Relative           Isotopic      Standard                   
Isotope      Atomic Mass        Composition   Atomic Weight    Notes     
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80  Hg  196  195.9658326(32)    0.0015(1)     200.592(3)        
        198  197.96676860(52)   0.0997(20)  
        199  198.96828064(46)   0.1687(22)  
        200  199.96832659(47)   0.2310(19)  
        201  200.97030284(69)   0.1318(9)   
        202  201.97064340(69)   0.2986(26)  
        204  203.97349398(53)   0.0687(15)  
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