Determination of As, Cd, and Pb in Tap Water and Bottled Water Samples by Using Optimized GFAAS System with Pd-Mg and Ni as Matrix Modifiers

Table 1

GF-AAS parameters used in the determination of As, Cd, and Pb.

	As	Cd	Pb
Lamp current, mA	10	4.0	5.0
Slit width, nm	0.5	0.5	0.5
Wavelength, nm	193.7	228.8	283.3
Background correction	𝐷2	𝐷2	𝐷2