Table 2.
Type of element | Spiked value (μg/kg) | *Measured value Mean ± SD (μg/kg) | Recovery (%) |
---|---|---|---|
As | 10 | 9.41 ± 0.03 | 94.13 |
Pb | 10 | 9.17 ± 0.06 | 91.67 |
Cu | 50 | 49.48 ± 0.07 | 98.95 |
Cd | 10 | 9.89 ± 0.02 | 98.90 |
Co | 20 | 19.71 ± 0.09 | 98.57 |
Na | 50 | 49.25 ± 0.04 | 98.50 |
K | 50 | 49.85 ± 0.01 | 99.70 |
Fe | 50 | 49.09 ± 0.05 | 98.17 |
Mg | 50 | 49.91 ± 0.01 | 99.81 |
Ca | 20 | 19.76 ± 0.09 | 98.78 |
Zn | 20 | 19.81 ± 0.03 | 99.07 |
*Mean value of triplicates.