UHPLC/MS-MS Analysis of Six Neonicotinoids in Honey by Modified QuEChERS: Method Development, Validation, and Uncertainty Measurement

<div class="floats-full-page floats-full-page-other"><h2>Table 1</h2><div class="floats-full-page-caption">UHPLC-MS/MS fragmentation of studied neonicotinoids.</div><div class="floats-full-page-content"><table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr /></td></tr><tr class="thead"><td align="left">MW</td><td align="center">Pesticide</td><td align="center">Precursor ion <br />(<svg height="14.85" id="M2" style="vertical-align:-2.22495pt" version="1.1" viewbox="0 0 29 14.85" width="29" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.012)"><path d="M766 88q-40 -45 -83.5 -72.5t-63.5 -27.5q-39 0 -16 103l49 224q15 68 -10 68q-36 0 -112.5 -78.5t-105.5 -133.5q-27 -101 -38 -165q-35 -4 -77 -18l-6 6q42 153 70 288q12 55 10 78t-19 23q-38 0 -114 -80.5t-101 -131.5q-24 -68 -41 -165q-36 -3 -76 -18l-8 6&#10;q56 202 87 347q7 33 -3 33q-8 0 -31.5 -17.5t-41.5 -35.5l-12 28q42 45 84 72t63 27q44 0 10 -124l-20 -75h2q92 121 193 178q36 21 64 21q62 0 28 -159l-8 -37h2q50 67 103.5 112t94.5 65q39 19 62 19q60 0 23 -156l-45 -189q-9 -39 2 -39q17 0 71 49z" id="x1D45A"></path></g><g transform="matrix(.017,-0,0,-.017,13.475,12.012)"><path d="M368 703l-264 -866h-60l265 866h59z" id="x2F"></path></g><g transform="matrix(.017,-0,0,-.017,20.478,12.012)"><path d="M475 445l-64 -69q-119 -128 -289 -280q27 6 81 -15q66 -26 102 -26q48 0 111 93l23 -19q-41 -84 -75.5 -116.5t-73.5 -32.5q-37 0 -147 53q-43 21 -63 7q-22 -15 -38 -41q-4 -7 -11 -7q-8 10 -8 26q0 38 47 83l292 273q-32 -5 -67 -1q-63 7 -105 7q-32 0 -53.5 -22&#10;t-47.5 -67l-25 13q15 39 38 78q40 66 83 66q57 0 120 -12q52 -10 80 -10q29 0 67 42z" id="x1D467"></path></g>
</svg>)</td><td align="center">Product ions (<svg height="14.85" id="M3" style="vertical-align:-2.22495pt" version="1.1" viewbox="0 0 29 14.85" width="29" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.012)"><path d="M766 88q-40 -45 -83.5 -72.5t-63.5 -27.5q-39 0 -16 103l49 224q15 68 -10 68q-36 0 -112.5 -78.5t-105.5 -133.5q-27 -101 -38 -165q-35 -4 -77 -18l-6 6q42 153 70 288q12 55 10 78t-19 23q-38 0 -114 -80.5t-101 -131.5q-24 -68 -41 -165q-36 -3 -76 -18l-8 6&#10;q56 202 87 347q7 33 -3 33q-8 0 -31.5 -17.5t-41.5 -35.5l-12 28q42 45 84 72t63 27q44 0 10 -124l-20 -75h2q92 121 193 178q36 21 64 21q62 0 28 -159l-8 -37h2q50 67 103.5 112t94.5 65q39 19 62 19q60 0 23 -156l-45 -189q-9 -39 2 -39q17 0 71 49z" id="x1D45A"></path></g><g transform="matrix(.017,-0,0,-.017,13.475,12.012)"><path d="M368 703l-264 -866h-60l265 866h59z" id="x2F"></path></g><g transform="matrix(.017,-0,0,-.017,20.478,12.012)"><path d="M475 445l-64 -69q-119 -128 -289 -280q27 6 81 -15q66 -26 102 -26q48 0 111 93l23 -19q-41 -84 -75.5 -116.5t-73.5 -32.5q-37 0 -147 53q-43 21 -63 7q-22 -15 -38 -41q-4 -7 -11 -7q-8 10 -8 26q0 38 47 83l292 273q-32 -5 -67 -1q-63 7 -105 7q-32 0 -53.5 -22&#10;t-47.5 -67l-25 13q15 39 38 78q40 66 83 66q57 0 120 -12q52 -10 80 -10q29 0 67 42z" id="x1D467"></path></g>
</svg>)</td><td align="center">Collision energy (eV)</td></tr><tr><td class="thead-hr" colspan="5"><hr /></td></tr><tr><td align="left"> </td><td align="center"> </td><td align="center"> </td><td align="center">90.3</td><td align="center">31</td></tr><tr><td align="left">222</td><td align="center">Acetamiprid</td><td align="center">223.0</td><td align="center">99.2</td><td align="center">34</td></tr><tr><td align="left"> </td><td align="center"> </td><td align="center"> </td><td align="center">126.2</td><td align="center">19</td></tr><tr><td align="left" colspan="5"><hr /></td></tr><tr><td align="left"> </td><td align="center"> </td><td align="center"> </td><td align="center">113.2</td><td align="center">25</td></tr><tr><td align="left">249</td><td align="center">Clothianidin</td><td align="center">250.0</td><td align="center">132.1</td><td align="center">16</td></tr><tr><td align="left"> </td><td align="center"> </td><td align="center"> </td><td align="center">169.2</td><td align="center">12</td></tr><tr><td align="left" colspan="5"><hr /></td></tr><tr><td align="left"> </td><td align="center"> </td><td align="center"> </td><td align="center">90.3</td><td align="center">36</td></tr><tr><td align="left">252</td><td align="center">Thiacloprid</td><td align="center">253.0</td><td align="center">99.2</td><td align="center">37</td></tr><tr><td align="left"> </td><td align="center"> </td><td align="center"> </td><td align="center">126.2</td><td align="center">21</td></tr><tr><td align="left" colspan="5"><hr /></td></tr><tr><td align="left" rowspan="2">255</td><td align="center" rowspan="2">Imidacloprid</td><td align="center" rowspan="2"> <i> </i>256.0</td><td align="center">175.2</td><td align="center">17</td></tr><tr><td align="center">209.1</td><td align="center">14</td></tr><tr><td align="left" colspan="5"><hr /></td></tr><tr><td align="left"> </td><td align="center"> </td><td align="center"> </td><td align="center">126.2</td><td align="center">27</td></tr><tr><td align="left">270</td><td align="center">Nitenpyram</td><td align="center">271.1</td><td align="center">225.2</td><td align="center">9</td></tr><tr><td align="left"> </td><td align="center"> </td><td align="center"> </td><td align="center">237.2</td><td align="center">21</td></tr><tr><td align="left" colspan="5"><hr /></td></tr><tr><td align="left"> </td><td align="center"> </td><td align="center"> </td><td align="center">181.2</td><td align="center">20</td></tr><tr><td align="left">291</td><td align="center">Thiamethoxam</td><td align="center">292.0</td><td align="center">210.2</td><td align="center">7</td></tr><tr><td align="left"> </td><td align="center"> </td><td align="center"> </td><td align="center">211.2</td><td align="center">10</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr" /></td></tr></table></td></tr></table></div></div>

Table 1 | UHPLC/MS-MS Analysis of Six Neonicotinoids in Honey by Modified QuEChERS: Method Development, Validation, and Uncertainty Measurement

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Table 1: UHPLC/MS-MS Analysis of Six Neonicotinoids in Honey by Modified QuEChERS: Method Development, Validation, and Uncertainty Measurement

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Table 1

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