Elements | Concentration in anthill soil (mg/kg) | WHO permissible limits in drinking water (mg/l) |
Na | 396.3 ± 42.2 | 200 |
Fe | 201.7 ± 82.8 | 0.3 |
Ca | 109.3 ± 15.2 | 75 |
Mg | 80.5 ± 24.0 | 50 |
Cr | 12.6 ± 1.2 | 0.05 |
Ni | 7.1 ± 0.3 | 0.07 |
B | 3.9 ± 1.3 | 2.4 |
Zn | 3.5 ± 1.4 | 3 |
Mn | 1.8 ± 0.8 | 0.4 |
Cu | 1.3 ± 0.1 | 2 |
Pb | 1.3 ± 0.2 | 0.01 |
Ag | 1.2 ± 1.7 | 0.1 |
Au | 0.2 ± 0.035 | - |
Se | Nd | 0.02 |
V | Nd | - |