The New TLC Method for Separation and Determination of Multicomponent Mixtures of Plant Extracts

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Mobile phase</td><td class="align_center">Step number 1</td><td class="align_center">Step number 2</td><td class="align_center">Step number 3</td><td class="align_center">Step number 4</td><td class="align_center">Step number 5</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Toluene</td><td class="align_center">100.0</td><td class="align_center">99.0</td><td class="align_center">98.0</td><td class="align_center">97.0</td><td class="align_center">97.0</td></tr><tr><td class="align_left">Ethyl acetate </td><td class="align_center">
                0.0</td><td class="align_center">1.0</td><td class="align_center">2.0</td><td class="align_center">3.0</td><td class="align_center">3.0</td></tr><tr><td class="align_left">Development distance (cm)</td><td class="align_center">10.0</td><td class="align_center">9.0</td><td class="align_center">9.0</td><td class="align_center">8.0</td><td class="align_center">8.0</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td>The composition is given in % v/v.<br/></td></tr></table>

The program used for five-step gradient elution for the development in second dimension for <i>Thymi Oleum</i>.

Journal of Analytical Methods in Chemistry

tab2

Table 2

Table 2: The New TLC Method for Separation and Determination of Multicomponent Mixtures of Plant Extracts 