Evaluation of Single Column Trapping/Separation and Chemiluminescence Detection for Measurement of Methanethiol and Dimethyl Sulfide from Pig Production

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Compounds</td><td align="center">SCTS-CL<svg height="11.4125" id="M56" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 5.5999999 11.4125" width="5.5999999" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.4125)">
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<text transform="matrix(1,0,0,-1,-71.95,67.92)">
<tspan style="font-size: 8.75px; " x="0" y="0">a</tspan>
</text>
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</g>
</svg><br/><svg height="14.8375" id="M57" style="vertical-align:-3.23906pt" version="1.1" viewbox="0 0 29.725 14.8375" width="29.725" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.8375)">
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<text transform="matrix(1,0,0,-1,-71.95,63.41)">
<tspan style="font-size: 12.50px; " x="0" y="0">p</tspan>
<tspan style="font-size: 12.50px; " x="6.2515001" y="0">p</tspan>
<tspan style="font-size: 12.50px; " x="12.503" y="0">b</tspan>
</text>
<text transform="matrix(1,0,0,-1,-53.2,60.26)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑣</tspan>
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</g>
</svg></td><td align="center">GC-SCD<svg height="13.85" id="M58" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 6.2125001 13.85" width="6.2125001" xmlns="http://www.w3.org/2000/svg">
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<g transform="translate(72,-60.92)">
<text transform="matrix(1,0,0,-1,-71.95,65.97)">
<tspan style="font-size: 8.75px; " x="0" y="0">b</tspan>
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</svg><br/><svg height="14.8375" id="M59" style="vertical-align:-3.23906pt" version="1.1" viewbox="0 0 29.725 14.8375" width="29.725" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.8375)">
<g transform="translate(72,-60.13)">
<text transform="matrix(1,0,0,-1,-71.95,63.41)">
<tspan style="font-size: 12.50px; " x="0" y="0">p</tspan>
<tspan style="font-size: 12.50px; " x="6.2515001" y="0">p</tspan>
<tspan style="font-size: 12.50px; " x="12.503" y="0">b</tspan>
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<text transform="matrix(1,0,0,-1,-53.2,60.26)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑣</tspan>
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</svg></td><td align="center">PTR-MS<svg height="11.4125" id="M60" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 5.5999999 11.4125" width="5.5999999" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.4125)">
<g transform="translate(72,-62.87)">
<text transform="matrix(1,0,0,-1,-71.95,67.92)">
<tspan style="font-size: 8.75px; " x="0" y="0">c</tspan>
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</svg><br/><svg height="14.8375" id="M61" style="vertical-align:-3.23906pt" version="1.1" viewbox="0 0 29.725 14.8375" width="29.725" xmlns="http://www.w3.org/2000/svg">
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<g transform="translate(72,-60.13)">
<text transform="matrix(1,0,0,-1,-71.95,63.41)">
<tspan style="font-size: 12.50px; " x="0" y="0">p</tspan>
<tspan style="font-size: 12.50px; " x="6.2515001" y="0">p</tspan>
<tspan style="font-size: 12.50px; " x="12.503" y="0">b</tspan>
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<tspan style="font-size: 8.75px; " x="0" y="0">𝑣</tspan>
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</svg></td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Hydrogen sulfide</td><td align="center">—</td><td align="center">310 ± 30</td><td align="center">334 ± 33</td></tr><tr><td align="left">Methanethiol</td><td align="center">11.3 ± 0.5</td><td align="center">11.6 ± 0.8</td><td align="center">10.7 ± 0.5</td></tr><tr><td align="left">Dimethyl sulfide</td><td align="center">4.5 ± 0.1</td><td align="center">5.0 ± 0.1</td><td align="center">4.8 ± 0.1</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><sup>
									a</sup>SCTS-CL: single column trapping/separation and chemiluminescence detection; <sup>b</sup>GC-SCD: gas chromatography coupled with sulfur chemiluminescence detection; <sup>c</sup>PTR-MS: proton-transfer-reaction mass spectrometry.<br/></td></tr></table>

Measured concentrations (average  ± 1 SD) of sulfur compounds in sample air from a facility with growing-finishing pigs.

Journal of Analytical Methods in Chemistry

tab2

Table 2

Table 2: Evaluation of Single Column Trapping/Separation and Chemiluminescence Detection for Measurement of Methanethiol and Dimethyl Sulfide from Pig Production 

Table 2 | Evaluation of Single Column Trapping/Separation and Chemiluminescence Detection for Measurement of Methanethiol and Dimethyl Sulfide from Pig Production 