Radioactive
Gadolinium-148
            148
          
          
            64
          
          
              Gd
            
            
              Gadolinium
            
          Product Information
              
            Document
              
          Quantity
              
            
                  Microcuries
                
              Stable
Gadolinium-152
            152
          
          
            64
          
          
              Gd
            
            
              Gadolinium
            
          Isotopic Enrichment (atom %): 
            32-34
          Natural Abundance (atom %): 
            0.20
          Product Form
              
            Quantity
            
          
                Milligrams
              
            Gadolinium-154
            154
          
          
            64
          
          
              Gd
            
            
              Gadolinium
            
          Isotopic Enrichment (atom %): 
            65-66
          Natural Abundance (atom %): 
            2.18
          Product Form
              
            Quantity
            
          
                Milligrams
              
            Gadolinium-155
            155
          
          
            64
          
          
              Gd
            
            
              Gadolinium
            
          Isotopic Enrichment (atom %): 
            84-94
          Natural Abundance (atom %): 
            14.80
          Product Form
              
            Quantity
            
          
                Milligrams
              
            Gadolinium-156
            156
          
          
            64
          
          
              Gd
            
            
              Gadolinium
            
          Isotopic Enrichment (atom %): 
            82-99
          Natural Abundance (atom %): 
            20.47
          Product Form
              
            Quantity
            
          
                Milligrams
              
            Gadolinium-157
            157
          
          
            64
          
          
              Gd
            
            
              Gadolinium
            
          Isotopic Enrichment (atom %): 
            79-88
          Natural Abundance (atom %): 
            15.65
          Product Form
              
            Quantity
            
          
                Milligrams
              
            Gadolinium-158
            158
          
          
            64
          
          
              Gd
            
            
              Gadolinium
            
          Isotopic Enrichment (atom %): 
            81-79
          Natural Abundance (atom %): 
            24.94
          Product Form
              
            Quantity
            
          
                Milligrams
              
            Gadolinium-160
            160
          
          
            64
          
          
              Gd
            
            
              Gadolinium
            
          Isotopic Enrichment (atom %): 
            >97
          Natural Abundance (atom %): 
            21.86
          Product Form
              
            Quantity
            
          
                Milligrams
              
            
        
    
