Table 3: AAS parameters.

ElementsWavelength (nm)Lamp intensity (mA)Slit width (nm)Linear rangeCorrelation coefficient ()

Cd228.6780.780 µg/L0.998
Cr357.65100.780 µg/L0.997
Pb217.35100.780 µg/L0.998
Cu324.5760.740 µg/L0.999
Fe248.30120.26.0 mg/L0.999
Zn213.9380.71.0 mg/L0.994
Mn279.43100.280 µg/L0.998