Sequential Extractions and Toxicity Potential of Trace Metals Absorbed into Airborne Particles in an Urban Atmosphere of Southwestern Nigeria

<div class="floats-full-page floats-full-page-other"><h2>Table 5</h2><div class="floats-full-page-caption"><div>Comparisons of heavy metal content (<i>µ</i>gg<sup>−1</sup>) in street dust in this study with other cities of the world.</div></div><div class="floats-full-page-content"><table class="fixed-width table-group" id="tab5"><tr><td><table class="table"><colgroup><col style="width:8.87em" /><col style="width:2.98em" /><col style="width:2.96em" /><col style="width:3.51em" /><col style="width:2.95em" /><col style="width:3.60em" /><col style="width:3.42em" /><col style="width:5.49em" /></colgroup><tr><td class="thead-hr" colspan="8"><hr /></td></tr><tr class="thead"><td class="align_left">Cities</td><td class="align_center">Cd</td><td class="align_center">Cr</td><td class="align_center">Cu </td><td class="align_center">Ni </td><td class="align_center">Pb </td><td class="align_center">Zn </td><td class="align_center">Reference</td></tr><tr><td class="thead-hr" colspan="8"><hr /></td></tr><tr><td class="align_left">Birmingham, UK</td><td class="align_center">1.62</td><td class="align_center">-</td><td class="align_center">466.9</td><td class="align_center">41</td><td class="align_center">48</td><td class="align_center">534</td><td class="align_center">[<a href="../../6852165/#B30" target="_blank">16</a>]</td></tr><tr><td class="align_left">Hong Kong, China</td><td class="align_center">21.8</td><td class="align_center">-</td><td class="align_center">24.8</td><td class="align_center">-</td><td class="align_center">93.4</td><td class="align_center">1.68</td><td class="align_center">[<a href="../../6852165/#B31" target="_blank">17</a>]</td></tr><tr><td class="align_left">Beijing, China</td><td class="align_center">0.73</td><td class="align_center">80.8</td><td class="align_center">107.7</td><td class="align_center">36.1</td><td class="align_center">71.7</td><td class="align_center">238.6</td><td class="align_center">[<a href="../../6852165/#B32" target="_blank">18</a>]</td></tr><tr><td class="align_left">Egypt, Egypt,</td><td class="align_center">2.98</td><td class="align_center">58.7</td><td class="align_center">102</td><td class="align_center">38.5</td><td class="align_center">307</td><td class="align_center">1839</td><td class="align_center">[<a href="../../6852165/#B6" target="_blank">6</a>]</td></tr><tr><td class="align_left">Mubi, Nigeria</td><td class="align_center">0.67</td><td class="align_center">-</td><td class="align_center">25.06</td><td class="align_center">-</td><td class="align_center">207</td><td class="align_center">121</td><td class="align_center">[<a href="../../6852165/#B9" target="_blank">9</a>]</td></tr><tr><td class="align_left">Akure</td><td class="align_center">2.46</td><td class="align_center">4.83</td><td class="align_center">12.63</td><td class="align_center">6.24</td><td class="align_center">112.45</td><td class="align_center">6.08</td><td class="align_center">This Study</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr" /></td></tr></table></td></tr></table></div></div>

Table 5 | Sequential Extractions and Toxicity Potential of Trace Metals Absorbed into Airborne Particles in an Urban Atmosphere of Southwestern Nigeria

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Table 5: Sequential Extractions and Toxicity Potential of Trace Metals Absorbed into Airborne Particles in an Urban Atmosphere of Southwestern Nigeria

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Table 5

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