Solvent Extraction of Thorium Using 5,11,17,23-Tetra[(2-ethyl acetoethoxyphenyl)(azo)phenyl]calix[4]arene

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Samples </td><td class="align_center">This work </td><td class="align_center">Previous work [<a href="/journals/jchem/2016/5078462/#B29">30</a>]</td><td class="align_center">INAA method</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">HT-1</td><td class="align_center">2385.8 ± 202.8</td><td class="align_center">2278.7 ± 160.2</td><td class="align_center">2249.6 ± 156.7</td></tr><tr><td class="align_left">HT-2</td><td class="align_center">930.7 ± 98.2</td><td class="align_center">956.1 ± 128.2</td><td class="align_center">942.6 ± 97.9</td></tr><tr><td class="align_left">HT-3</td><td class="align_center">1729.5 ± 183.2</td><td class="align_center">1699.7 ± 124.2</td><td class="align_center">1781.5 ± 145.6</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The content of thorium in monazite samples (mg/kg).

Journal of Chemistry

tab5

Table 5

Table 5: Solvent Extraction of Thorium Using 5,11,17,23-Tetra[(2-ethyl acetoethoxyphenyl)(azo)phenyl]calix[4]arene 