Metal | Instrument detection limit (mg/L) | Method detection limit for ginger (mg/kg) | Method detection limit for soil (mg/kg) |
Na | 0.001 | 0.004 | 0.006 |
K | 0.010 | 0.03 | 0.02 |
Ca | 0.010 | 0.05 | 0.07 |
Mg | 0.001 | 0.004 | 0.006 |
Cu | 0.020 | 0.062 | 0.030 |
Zn | 0.005 | 0.022 | 0.007 |
Mn | 0.0010 | 0.002 | 0.004 |
Fe | 0.030 | 0.034 | 0.022 |
Co | 0.050 | 0.08 | 0.08 |
Cd | 0.005 | 0.01 | 0.03 |
Pb | 0.100 | 0.12 | 0.150 |