Determination of Arsenic in Drinking Water Samples by Electrothermal Atomic Absorption Spectrometry after Preconcentration Using the Biomass of <i>Aspergillus niger</i> Loaded on Activated Charcoal

<table>Effect of the sample pH on the preconcentration of arsenic from drinking water sample; experimental condition: 20 <i>μ</i>g/L of arsenic, sample flow rate of 5 mL/min, and the eluent of HCl 0.1 M.</table>

Journal of Chemistry

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Figure 1: Determination of Arsenic in Drinking Water Samples by Electrothermal Atomic Absorption Spectrometry after Preconcentration Using the Biomass of <i>Aspergillus niger</i> Loaded on Activated Charcoal 

Figure 1 | Determination of Arsenic in Drinking Water Samples by Electrothermal Atomic Absorption Spectrometry after Preconcentration Using the Biomass of Aspergillus niger Loaded on Activated Charcoal 