Table 1.
Linear regression for the standard curve of each metal
| Metal | Linearity, r2 | Intensity of blank (ppb) | LOD (ppb) | Percent recovery |
|---|---|---|---|---|
| As | 0.9998 | 4.89E-2 | 2 | 100.6% |
| Cd | 0.9997 | 7.46E-4 | 2 | 103.73% |
| Hg | >0.995 | 0.02 | 0.04 | 102.8% |
| Pb | 0.9995 | 3.03E-3 | 2 | 103.1% |
Linear regression for the standard curve of each metal
| Metal | Linearity, r2 | Intensity of blank (ppb) | LOD (ppb) | Percent recovery |
|---|---|---|---|---|
| As | 0.9998 | 4.89E-2 | 2 | 100.6% |
| Cd | 0.9997 | 7.46E-4 | 2 | 103.73% |
| Hg | >0.995 | 0.02 | 0.04 | 102.8% |
| Pb | 0.9995 | 3.03E-3 | 2 | 103.1% |