Trace Lead Measurement and Online Removal of Matrix Interference in Geosamples by Ion-Exchange Coupled with Flow Injection and Hydride Generation Atomic Fluorescence 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 align="left">Type</td><td align="left">Fluorescence intensity</td><td align="left">RSD (%,<svg height="10.9125" id="M24" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 42.912498 10.9125" width="42.912498" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑛</tspan>
<tspan style="font-size: 12.50px; " x="9.6773224" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="21.71771" y="0">1</tspan>
<tspan style="font-size: 12.50px; " x="27.969212" y="0">0</tspan>
</text>
</g>
</g>
</svg>)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">With the step of air pushing out water</td><td align="left">765</td><td align="left">3.5</td></tr><tr><td align="left">Without the step of air pushing out water</td><td align="left">586</td><td align="left">8.8</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Comparison of different eluting process (4 ngm<svg height="13.9875" id="M23" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 18.049999 13.9875" width="18.049999" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,13.9875)">
<g transform="translate(72,-60.81)">
<text transform="matrix(1,0,0,-1,-71.95,60.86)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐥</tspan>
</text>
<text transform="matrix(1,0,0,-1,-68.47,66.03)">
<tspan style="font-size: 8.75px; " x="0" y="0">−</tspan>
<tspan style="font-size: 8.75px; " x="5.99512" y="0">1</tspan>
</text>
</g>
</g>
</svg> Pb).

Journal of Analytical Methods in Chemistry

tab3

Table 3

Table 3: Trace Lead Measurement and Online Removal of Matrix Interference in Geosamples by Ion-Exchange Coupled with Flow Injection and Hydride Generation Atomic Fluorescence Spectrometry 

Table 3 | Trace Lead Measurement and Online Removal of Matrix Interference in Geosamples by Ion-Exchange Coupled with Flow Injection and Hydride Generation Atomic Fluorescence Spectrometry 