Atomic Weights and Isotopic Compositions for Platinum
Column Descriptions

                                                                         
             Relative           Isotopic      Standard                   
Isotope      Atomic Mass        Composition   Atomic Weight    Notes     
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78  Pt  190  189.9599297(63)    0.00012(2)    195.084(9)        
        192  191.9610387(32)    0.00782(24) 
        194  193.9626809(10)    0.3286(40)  
        195  194.9647917(10)    0.3378(24)  
        196  195.96495209(99)   0.2521(34)  
        198  197.9678949(23)    0.07356(130)
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