| Sl no  | 
        Ash
          taken
          (gm)   | 
        Naoh
          taken
          (gm)   | 
        Vol
          of
          naoh
          (ml)   | 
        Vol
          of
          silicate
          (ml)   | 
        Specific
          gravity   | 
        % silica
          in
          solution   | 
        Undigested
          ash (gm)   | 
        % silica
          digested   | 
       
      
        | 1  | 
        40  | 
        40  | 
        500  | 
        375  | 
        1.114  | 
        4.75  | 
        6.8  | 
        63.46  | 
       
      
        | 2  | 
        50  | 
        40  | 
        500  | 
        340  | 
        1,124  | 
        6.33  | 
        9.7  | 
        66.14  | 
       
      
        | 3  | 
        60  | 
        40  | 
        500  | 
        305  | 
        1.13  | 
        7.12  | 
        12.4  | 
        67.089  | 
       
      
        | 4  | 
        70  | 
        40  | 
        500  | 
        345  | 
        1.132  | 
        8.49  | 
        15.3  | 
        68.66  | 
       
      
        | 5  | 
        80  | 
        40  | 
        500  | 
        275  | 
        1.14  | 
        8.907  | 
        20.1  | 
        71.19  | 
       
      
        | 6  | 
        90  | 
        40  | 
        500  | 
        260  | 
        1.146  | 
        9.829  | 
        22.5  | 
        62.57  | 
       
      |