Table 2 Comparison of determined metals concentration (mg/kg) and dry mass basis with reported values
Metals | Concentration of metal in mg/kg reported in respective country | ||||
|---|---|---|---|---|---|
Spaina | USAb | Turkeyc | Australiad | Ethiopiae | |
Mg | 117–361 | 142–359 | – | – | 420–438 |
Ca | 13.2–127 | 455–1300 | – | – | 176–254 |
Fe | 7.3–14.1 | 3.0–23.0 | 48.9–72.6 | – | 27.3–90.4 |
Zn | 3.0–4.9 | – | 13.8–18.9 | 90–110 | 20.6–77.7 |
Pb | – | – | 0.51–0.77 | 50.0–54.0 | 2.0–17.4 |
Cd | – | – | 0.08–0.32 | 0.40–1.0 | <0.1 |