| Terbium Oxide 
     Formula:Tb4O7  
    Specifications  
       
    
      
        Symbol   | 
        Tb4O7/REO 
        (%min.£©   | 
        RE 
        Impurities (%max.)   | 
        Non-RE Impurities (%max.)   | 
       
      
        (Eu+Gd+Dy+Ho+Y))2O3/REO 
          | 
        Fe2O3 | 
        SiO2 | 
        CaO | 
        CuO | 
       
      
        Tb4O7-04  | 
        99.99  | 
        0.01  | 
        0.001 | 
        0.003 | 
        0.001 | 
        0.001 | 
       
      
        | Tb4O7-1 | 
        99.95 | 
        0.05 | 
        0.003 | 
        0.005 | 
        0.02 | 
        --- | 
       
      
        | Tb4O7-2 | 
        99.9 | 
        0.1 | 
        0.005 | 
        0.05 | 
        0.02 | 
        --- | 
       
     
    Packing: In wooden cases of less than 20 Kgs net each with inner sealed 
    double-cover plastic bottles of 0.5 or 1 Kgs net each.   |