Determination of Phenolic Acids in Sugarcane Vinasse by HPLC with Pulse Amperometry

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">VA</td><td class="align_center">CA</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Original amount (mg L<sup>−1</sup>)</td><td class="align_center">19 ± 0.51</td><td class="align_center">7.8 ± 2.47</td></tr><tr><td class="align_left">Added amount (mg L<sup>−1</sup>)</td><td class="align_center">3.36</td><td class="align_center">3.60</td></tr><tr><td class="align_left">Recovery (%)</td><td class="align_center">102</td><td class="align_center">102</td></tr><tr><td class="align_left">RSD (<i>n</i> = 3) (%)</td><td class="align_center">2.19</td><td class="align_center">2.75</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Journal of Analytical Methods in Chemistry

tab3

Table 3

Table 3: Determination of Phenolic Acids in Sugarcane Vinasse by HPLC with Pulse Amperometry 