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Table 3 Calibration curves for working range LoQ to 1.00 mg L −1

From: Validation and measurement uncertainty evaluation of the ICP-OES method for the multi-elemental determination of essential and nonessential elements from medicinal plants and their aqueous extracts

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