Table 3 Accuracy studied data for analysis of Pb, Cd, and Cr
Analyte | Spiked analyte concentration (μg/g) | Calculated analyte concentration (μg/g) | Recovery (%) |
|---|---|---|---|
Pb | 2.50 | 2.26 | 90.400 |
5.00 | 4.60 | 92.000 | |
7.50 | 7.33 | 97.733 | |
Cd | 0.50 | 0.49 | 98.000 |
1.00 | 1.04 | 104.000 | |
1.50 | 1.53 | 102.000 | |
Cr | 2.50 | 2.32 | 92.800 |
5.00 | 4.62 | 92.400 | |
7.50 | 6.94 | 92.533 |