Determination of Methomyl Residue in Tobacco Samples by Heart-Cutting Two-Dimensional Liquid Chromatography with Tandem Mass Spectrometry

<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">Spiked concentration (ng/mL)</td><td class="align_center">Calculated concentration (ng/mL)</td><td class="align_center">Recovery (%)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">50</td><td class="align_center">54.1</td><td class="align_center">108.2</td></tr><tr><td class="align_left">100</td><td class="align_center">98.7</td><td class="align_center">98.7</td></tr><tr><td class="align_left">200</td><td class="align_center">186.2</td><td class="align_center">93.1</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Recovery of methomyl in 2D-LC-MS/MS at different concentrations.</div>

International Journal of Analytical Chemistry

tab3

Table 3

Table 3: Determination of Methomyl Residue in Tobacco Samples by Heart-Cutting Two-Dimensional Liquid Chromatography with Tandem Mass Spectrometry 