Adsorption Ability for Toxic Chromium (VI) Ions in Aqueous Solution of Some Modified Oyster Shell Types

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Sample</td><td class="align_center">pH<sub>zpc</sub></td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">QNOS- PP</td><td class="align_center">9.15</td></tr><tr><td class="align_left">QNOS-PP-800</td><td class="align_center">8.95</td></tr><tr><td class="align_left">QNOS-PP-800-EDTA</td><td class="align_center">7.04</td></tr><tr><td class="align_left">PYOS-PP</td><td class="align_center">9.68</td></tr><tr><td class="align_left">PYOS-PP-Na-800</td><td class="align_center">8.27</td></tr><tr><td class="align_left">PYOS-PP-Na-800-EDTA</td><td class="align_center">9.05</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>pH<sub>zpc</sub> of some oyster shell samples.</div>

Bioinorganic Chemistry and Applications

tab4

Table 4

Table 4: Adsorption Ability for Toxic Chromium (VI) Ions in Aqueous Solution of Some Modified Oyster Shell Types 