Stable
Thallium-203
            203
          
          
            81
          
          
              Tl
            
            
              Thallium
            
          Isotopic Enrichment (atom %): 
            92-97
          Natural Abundance (atom %): 
            29.52
          Product Form
              
            Quantity
            
          
                Milligrams
              
            Thallium-205
            205
          
          
            81
          
          
              Tl
            
            
              Thallium
            
          Isotopic Enrichment (atom %): 
            >99
          Natural Abundance (atom %): 
            70.48
          Product Form
              
            Quantity
            
          
                Milligrams
              
             
         
    

