| Sample coding  | 
        Pb  | 
        As  | 
        Mg  | 
        Na  | 
        Zn  | 
        Cd  | 
        K  | 
        Ca  | 
        Cr  | 
       
      
        | S2013HP2001W | 
        0 | 
        0.0795 | 
        479.469 | 
        8.5885 | 
        9.378 | 
        0.071 | 
        12.5605 | 
        1.5905 | 
        22.1225 | 
       
      
        | S2013HP2002W | 
        0 | 
        2.686 | 
        404.732 | 
        4.7565 | 
        2.4535 | 
        0.0385 | 
        9.5035 | 
        2.2605 | 
        2.042 | 
       
      
        | S2013HP2003W | 
        0 | 
        2.4165 | 
        455.448 | 
        3.9715 | 
        0.8355 | 
        0.133 | 
        6.0525 | 
        1.1635 | 
        2.3825 | 
       
      
        | S2013HP2004W | 
        0.767 | 
        1.6655 | 
        478.6425 | 
        4.7395 | 
        1.1575 | 
        1.178 | 
        8.386 | 
        0.8835 | 
        2.723 | 
       
      
        | S2013HP2005W | 
        0.853 | 
        0.554 | 
        480.5875 | 
        6.503 | 
        3.195 | 
        0.04 | 
        13.2225 | 
        29.911 | 
        10.5505 | 
       
      
        | S2013HP2006W | 
        0 | 
        2.91 | 
        479.08 | 
        5.0605 | 
        1.397 | 
        0.837 | 
        20.3875 | 
        8.144 | 
        148.0505 | 
       
      
        | S2013HP2007W | 
        152.9 | 
        0.99 | 
        499.381 | 
        10.211 | 
        17.436 | 
        0.226 | 
        7.5305 | 
        36.8475 | 
        37.438 | 
       
      
        | S2013HP2008W | 
        1.876 | 
        1.5905 | 
        481.268 | 
        3.965 | 
        2.478 | 
        0.0045 | 
        7.317 | 
        4.278 | 
        3.063 | 
       
      
        | S2013HP2009W | 
        0.938 | 
        0.6185 | 
        490.118 | 
        3.7715 | 
        0.9815 | 
        0.0885 | 
        5.3045 | 
        75.587 | 
        108.5705 | 
       
      
        | S2013HP2010W | 
        1.194 | 
        3.111 | 
        466.486 | 
        3.156 | 
        1.6335 | 
        0.009 | 
        4.3535 | 
        73.8785 | 
        43.224 | 
       
      
        | S2013HP2011W | 
        0 | 
        0.7775 | 
        435.6335 | 
        4.2645 | 
        1.0025 | 
        0.022 | 
        2.9365 | 
        72.9585 | 
        2.723 | 
       
      
        | S2013HP2012W | 
        1.876 | 
        1.5705 | 
        449.37 | 
        2.186 | 
        0.9295 | 
        0.0795 | 
        6.278 | 
        0.9055 | 
        110.6125 | 
       
      |