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 class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Number</td><td align="center">Added std <br/>(<i>μ</i>g/L)</td><td align="center">Found </td><td align="center">Recovery %</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">1</td><td align="center">0</td><td align="center">N.D</td><td align="center">—</td></tr><tr><td align="left">2</td><td align="center">10</td><td align="center"><span style="width: 66.199997px;"><svg height="11.2875" id="M52" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 66.199997 11.2875" width="66.199997" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td><td align="center">102</td></tr><tr><td align="left">3</td><td align="center">20</td><td align="center"><span style="width: 66.199997px;"><svg height="11.2875" id="M53" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 66.199997 11.2875" width="66.199997" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td><td align="center">99</td></tr><tr><td align="left">4</td><td align="center">50</td><td align="center"><span style="width: 66.199997px;"><svg height="11.2875" id="M54" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 66.199997 11.2875" width="66.199997" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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q0 -76 10 -138.5t37 -107.5t69 -45q32 0 55.5 25t35.5 68.5t17.5 91.5t5.5 105t-5.5 105.5t-18 92t-36 68t-56.5 24.5z" id="x30"></path></g><g transform="matrix(.017,-0,0,-.017,54.102,10.862)"><path d="M113 -12q-24 0 -39.5 16t-15.5 42q0 24 16 40.5t40 16.5t40 -16.5t16 -40.5q0 -26 -16 -42t-41 -16z" id="x2E"></path></g><g transform="matrix(.017,-0,0,-.017,57.977,10.862)"><path d="M456 178h-96v-72q0 -51 12.5 -62.5t72.5 -16.5v-27h-256v27q65 5 78 17t13 62v72h-260v28q182 271 300 426h40v-407h96v-47zM280 225v295h-2q-107 -148 -196 -295h198z" id="x34"></path></g>
</svg></span></td><td align="center">101.6</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Determination of total arsenic in drinking water sample (Taghe Bostan, Kermanshah, Iran) before and after spiking the standard solution of As (III).

Journal of Chemistry

tab4

Table 4

Table 4: 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 4 | Determination of Arsenic in Drinking Water Samples by Electrothermal Atomic Absorption Spectrometry after Preconcentration Using the Biomass of Aspergillus niger Loaded on Activated Charcoal 