Table 3 Calibration curves for working range LoQ to 1.00 mg L −1
Element | avalue | bvalue | r2value | PG |
|---|---|---|---|---|
Cd | 22,300 | 901,200 | 0.9999 | 1.96 |
Cr | 12,090 | 868,000 | 0.9999 | 2.88 |
Cu | 5,345 | 1,045,000 | 0.9997 | 4.33 |
Fe | 23,700 | 1,503,900 | 0.9999 | 4.18 |
Al | −11,100 | 1,922,000 | 0.9999 | 3.12 |
Mg | −5,600 | 3,459,000 | 1.0000 | 1.72 |
Pb | 129 | 184,800 | 0.9998 | 4.56 |
Mn | 141,500 | 8,094,000 | 1.0000 | 1.96 |
Ni | 15,400 | 111,300 | 0.9999 | 4.06 |
Zn | 56,500 | 1,159,000 | 0.9999 | 3.36 |
As | −33 | 32,400 | 0.9999 | 4.67 |