In this research, the optimal conditions for some factors affecting the determination of mercury concentrations by Cold Vapor Atomic Absorption Spectrometry method were studied. These factors included: delay time, in addition to both: Reductant concentration and Linearity of Calibration Curve.The delay time was studied within the range (30 -60 S), while the concentrations of the reductant were studied within the range (1–12 % w/v), As for the linearity of the calibration curve, the atomic absorbance wasmeasured within the range of mercury concentrations (5 -100 μg/L)
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