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 elution rate of column on the preconcentration of arsenic from drinking water sample; pH = 6, 20 <i>μ</i>g/L of arsenic, and eluent of HCl 0.1 M.</table>

Journal of Chemistry

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Figure 2: 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 2 | Determination of Arsenic in Drinking Water Samples by Electrothermal Atomic Absorption Spectrometry after Preconcentration Using the Biomass of Aspergillus niger Loaded on Activated Charcoal 